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 XTERM(1)                       X Version 11                        XTERM(1)
                                 Release 6.1



 NAME
      xterm - terminal emulator for X

 SYNOPSIS
      xterm [-toolkitoption ...] [-option ...]

 DESCRIPTION
      The xterm program is a terminal emulator for the X Window System.  It
      provides DEC VT102 and Tektronix 4014 compatible terminals for
      programs that can't use the window system directly.  If the underlying
      operating system supports terminal resizing capabilities (for example,
      the SIGWINCH signal in systems derived from 4.3bsd), xterm will use
      the facilities to notify programs running in the window whenever it is
      resized.

      The VT102 and Tektronix 4014 terminals each have their own window so
      that you can edit text in one and look at graphics in the other at the
      same time.  To maintain the correct aspect ratio (height/width),
      Tektronix graphics will be restricted to the largest box with a 4014's
      aspect ratio that will fit in the window.  This box is located in the
      upper left area of the window.

      Although both windows may be displayed at the same time, one of them
      is considered the ``active'' window for receiving keyboard input and
      terminal output.  This is the window that contains the text cursor.
      The active window can be chosen through escape sequences, the ``VT
      Options'' menu in the VT102 window, and the ``Tek Options'' menu in
      the 4014 window.

 EMULATIONS
      The VT102 emulation is fairly complete, but does not support VT52
      mode, autorepeat, the blinking character attribute nor the double-wide
      and double-size character sets.  Termcap(5) entries that work with
      xterm include ``xterm,'' ``vt102,'' ``vt100'' and ``ansi,'' and xterm
      automatically searches the termcap file in this order for these
      entries and then sets the ``TERM'' and the ``TERMCAP'' environment
      variables.

      Many of the special xterm features may be modified under program
      control through a set of escape sequences different from the standard
      VT102 escape sequences. (See the Xterm Control Sequences document.)

      The Tektronix 4014 emulation is also fairly good.  It supports 12-bit
      graphics addressing, scaled to the window size.  Four different font
      sizes and five different lines types are supported.  There is no
      write-through or defocused mode support.  The Tektronix text and
      graphics commands are recorded internally by xterm and may be written
      to a file by sending the COPY escape sequence (or through the
      Tektronix menu; see below).  The name of the file will be
      ``COPYyy-MM-dd.hh:mm:ss'', where yy, MM, dd, hh, mm and ss are the
      year, month, day, hour, minute and second when the COPY was performed



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      (the file is created in the directory xterm is started in, or the home
      directory for a login xterm).

 OTHER FEATURES
      Xterm automatically highlights the text cursor when the pointer enters
      the window (selected) and unhighlights it when the pointer leaves the
      window (unselected).  If the window is the focus window, then the text
      cursor is highlighted no matter where the pointer is.

      In VT102 mode, there are escape sequences to activate and deactivate
      an alternate screen buffer, which is the same size as the display area
      of the window.  When activated, the current screen is saved and
      replaced with the alternate screen.  Saving of lines scrolled off the
      top of the window is disabled until the normal screen is restored.
      The termcap(5) entry for xterm allows the visual editor vi(1) to
      switch to the alternate screen for editing and to restore the screen
      on exit.

      In either VT102 or Tektronix mode, there are escape sequences to
      change the name of the windows.  See Xterm Control Sequences for
      details.

 OPTIONS
      The xterm terminal emulator accepts all of the standard X Toolkit
      command line options as well as the following (if the option begins
      with a `+' instead of a `-', the option is restored to its default
      value):

      -help   This causes xterm to print out a verbose message describing
              its options.

      -132    Normally, the VT102 DECCOLM escape sequence that switches
              between 80 and 132 column mode is ignored.  This option causes
              the DECCOLM escape sequence to be recognized, and the xterm
              window will resize appropriately.

      -ah     This option indicates that xterm should always highlight the
              text cursor.  By default, xterm will display a hollow text
              cursor whenever the focus is lost or the pointer leaves the
              window.

      +ah     This option indicates that xterm should do text cursor
              highlighting based on focus.

      -aw     This option indicates that auto-wraparound should be allowed.
              This allows the cursor to automatically wrap to the beginning
              of the next line when when it is at the rightmost position of
              a line and text is output.

      +aw     This option indicates that auto-wraparound should not be
              allowed.



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      -b number
              This option specifies the size of the inner border (the
              distance between the outer edge of the characters and the
              window border) in pixels.  The default is 2.

      -bdc    This option disables the display of characters with bold
              attribute as color rather than bold.

      +bdc    This option enables the display of characters with bold
              attribute as color rather than bold.

      -cb     Set the vt100 resource cutToBeginningOfLine to FALSE.

      +cb     Set the vt100 resource cutToBeginningOfLine to TRUE.

      -cc characterclassrange:value[,...]
              This sets classes indicated by the given ranges for using in
              selecting by words.  See the section specifying character
              classes.

      -cm     This option disables recognition of ANSI color-change escape
              sequences.

      +cm     This option enables recognition of ANSI color-change escape
              sequences.

      -cn     This option indicates that newlines should not be cut in
              line-mode selections.

      +cn     This option indicates that newlines should be cut in line-mode
              selections.

      -cr color
              This option specifies the color to use for text cursor.  The
              default is to use the same foreground color that is used for
              text.

      -cu     This option indicates that xterm should work around a bug in
              the more(1) program that causes it to incorrectly display
              lines that are exactly the width of the window and are
              followed by a line beginning with a tab (the leading tabs are
              not displayed).  This option is so named because it was
              originally thought to be a bug in the curses(3x) cursor motion
              package.

      +cu     This option indicates that xterm should not work around the
              more(1) bug mentioned above.

      -dc     This option disables recognition of color-change escape
              sequences.




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      +dc     This option enables recognition of color-change escape
              sequences.

      -e program [ arguments ... ]
              This option specifies the program (and its command line
              arguments) to be run in the xterm window.  It also sets the
              window title and icon name to be the basename of the program
              being executed if neither -T nor -n are given on the command
              line.  This must be the last option on the command line.

      -fb font
              This option specifies a font to be used when displaying bold
              text. This font must be the same height and width as the
              normal font.  If only one of the normal or bold fonts is
              specified, it will be used as the normal font and the bold
              font will be produced by overstriking this font.  The default
              is to do overstriking of the normal font.

      -im     Turn on the useInsertMode resource.

      +im     Turn off the useInsertMode resource.

      -j      This option indicates that xterm should do jump scrolling.
              Normally, text is scrolled one line at a time; this option
              allows xterm to move multiple lines at a time so that it
              doesn't fall as far behind.  Its use is strongly recommended
              since it make xterm much faster when scanning through large
              amounts of text.  The VT100 escape sequences for enabling and
              disabling smooth scroll as well as the ``VT Options'' menu can
              be used to turn this feature on or off.

      +j      This option indicates that xterm should not do jump scrolling.

      -ls     This option indicates that the shell that is started in the
              xterm window will be a login shell (i.e., the first character
              of argv[0] will be a dash, indicating to the shell that it
              should read the user's .login or .profile).

      +ls     This option indicates that the shell that is started should
              not be a login shell (i.e. it will be a normal ``subshell'').

      -mb     This option indicates that xterm should ring a margin bell
              when the user types near the right end of a line.  This option
              can be turned on and off from the ``VT Options'' menu.

      +mb     This option indicates that margin bell should not be rung.

      -mc milliseconds
              This option specifies the maximum time between multi-click
              selections.




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      -ms color
              This option specifies the color to be used for the pointer
              cursor.  The default is to use the foreground color.

      -nb number
              This option specifies the number of characters from the right
              end of a line at which the margin bell, if enabled, will ring.
              The default is 10.

      -nul    This option enables the display of underlining.

      +nul    This option disables the display of underlining.

      -rw     This option indicates that reverse-wraparound should be
              allowed.  This allows the cursor to back up from the leftmost
              column of one line to the rightmost column of the previous
              line.  This is very useful for editing long shell command
              lines and is encouraged.  This option can be turned on and off
              from the ``VT Options'' menu.

      +rw     This option indicates that reverse-wraparound should not be
              allowed.

      -s      This option indicates that xterm may scroll asynchronously,
              meaning that the screen does not have to be kept completely up
              to date while scrolling.  This allows xterm to run faster when
              network latencies are very high and is typically useful when
              running across a very large internet or many gateways.

      +s      This option indicates that xterm should scroll synchronously.

      -sb     This option indicates that some number of lines that are
              scrolled off the top of the window should be saved and that a
              scrollbar should be displayed so that those lines can be
              viewed.  This option may be turned on and off from the ``VT
              Options'' menu.

      +sb     This option indicates that a scrollbar should not be
              displayed.

      -sf     This option indicates that Sun Function Key escape codes
              should be generated for function keys.

      +sf     This option indicates that the standard escape codes should be
              generated for function keys.

      -si     This option indicates that output to a window should not
              automatically reposition the screen to the bottom of the
              scrolling region. This option can be turned on and off from
              the ``VT Options'' menu.




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      +si     This option indicates that output to a window should cause it
              to scroll to the bottom.

      -sk     This option indicates that pressing a key while using the
              scrollbar to review previous lines of text should cause the
              window to be repositioned automatically in the normal position
              at the bottom of the scroll region.

      +sk     This option indicates that pressing a key while using the
              scrollbar should not cause the window to be repositioned.

      -sl number
              This option specifies the number of lines to save that have
              been scrolled off the top of the screen.  The default is 64.

      -t      This option indicates that xterm should start in Tektronix
              mode, rather than in VT102 mode.  Switching between the two
              windows is done using the ``Options'' menus.

      +t      This option indicates that xterm should start in VT102 mode.

      -tm string
              This option specifies a series of terminal setting keywords
              followed by the characters that should be bound to those
              functions, similar to the stty program.  Allowable keywords
              include: intr, quit, erase, kill, eof, eol, swtch, start,
              stop, brk, susp, dsusp, rprnt, flush, weras, and lnext.
              Control characters may be specified as ^char (e.g. ^c or ^u)
              and ^? may be used to indicate delete.

      -tn name
              This option specifies the name of the terminal type to be set
              in the TERM environment variable.  This terminal type must
              exist in the termcap(5) database and should have li# and co#
              entries.

      -ulc    This option disables the display of characters with underline
              attribute as color rather than with underlining.

      +ulc    This option enables the display of characters with underline
              attribute as color rather than with underlining.

      -ut     This option indicates that xterm shouldn't write a record into
              the the system log file /etc/utmp.

      +ut     This option indicates that xterm should write a record into
              the system log file /etc/utmp.

      -vb     This option indicates that a visual bell is preferred over an
              audible one.  Instead of ringing the terminal bell whenever a
              Control-G is received, the window will be flashed.



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      +vb     This option indicates that a visual bell should not be used.

      -wf     This option indicates that xterm should wait for the window to
              be mapped the first time before starting the subprocess so
              that the initial terminal size settings and environment
              variables are correct.  It is the application's responsibility
              to catch subsequent terminal size changes.

      +wf     This option indicates that xterm show not wait before starting
              the subprocess.

      -C      This option indicates that this window should receive console
              output.  This is not supported on all systems.  To obtain
              console output, you must be the owner of the console device,
              and you must have read and write permission for it.  If you
              are running X under xdm on the console screen you may need to
              have the session startup and reset programs explicitly change
              the ownership of the console device in order to get this
              option to work.

      -Sccn   This option specifies the last two letters of the name of a
              pseudo-terminal to use in slave mode, plus the number of the
              inherited file descriptor.  The option is parsed ``%c%c%d''.
              This allows xterm to be used as an input and output channel
              for an existing program and is sometimes used in specialized
              applications.

      The following command line arguments are provided for compatibility
      with older versions.  They may not be supported in the next release as
      the X Toolkit provides standard options that accomplish the same task.

      %geom   This option specifies the preferred size and position of the
              Tektronix window.  It is shorthand for specifying the
              ``*tekGeometry'' resource.

      #geom   This option specifies the preferred position of the icon
              window.  It is shorthand for specifying the ``*iconGeometry''
              resource.

      -T string
              This option specifies the title for xterm's windows.  It is
              equivalent to -title.

      -n string
              This option specifies the icon name for xterm's windows.  It
              is shorthand for specifying the ``*iconName'' resource.  Note
              that this is not the same as the toolkit option -name (see
              below).  The default icon name is the application name.

      -r      This option indicates that reverse video should be simulated
              by swapping the foreground and background colors.  It is



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              equivalent to -rv.

      -w number
              This option specifies the width in pixels of the border
              surrounding the window.  It is equivalent to -borderwidth or
              -bw.

      The following standard X Toolkit command line arguments are commonly
      used with xterm:

      -bg color
              This option specifies the color to use for the background of
              the window. The default is ``white.''

      -bd color
              This option specifies the color to use for the border of the
              window.  The default is ``black.''

      -bw number
              This option specifies the width in pixels of the border
              surrounding the window.

      -fg color
              This option specifies the color to use for displaying text.
              The default is ``black.''

      -fn font
              This option specifies the font to be used for displaying
              normal text.  The default is fixed.

      -name name
              This option specifies the application name under which
              resources are to be obtained, rather than the default
              executable file name.  Name should not contain ``.'' or ``*''
              characters.

      -title string
              This option specifies the window title string, which may be
              displayed by window managers if the user so chooses.  The
              default title is the command line specified after the -e
              option, if any, otherwise the application name.

      -rv     This option indicates that reverse video should be simulated
              by swapping the foreground and background colors.

      -geometry geometry
              This option specifies the preferred size and position of the
              VT102 window; see X(1).

      -display display
              This option specifies the X server to contact; see X(1).



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      -xrm resourcestring
              This option specifies a resource string to be used.  This is
              especially useful for setting resources that do not have
              separate command line options.

      -iconic This option indicates that xterm should ask the window manager
              to start it as an icon rather than as the normal window.

      -dc     This option disables the escape sequence to change the vt100
              foreground and background colors, the text cursor color, the
              mouse cursor foreground and background colors and the
              Tektronix emulator foreground and background colors.

      +dc     This option enables the escape sequence to change the vt100
              foreground and background colors, the text cursor color, the
              mouse cursor foreground and background colors and the
              Tektronix emulator foreground and background

 RESOURCES
      The program understands all of the core X Toolkit resource names and
      classes as well as:

      iconGeometry (class IconGeometry)
              Specifies the preferred size and position of the application
              when iconified.  It is not necessarily obeyed by all window
              managers.

      iconName (class IconName)
              Specifies the icon name.  The default is the application name.

      termName (class TermName)
              Specifies the terminal type name to be set in the TERM
              environment variable.

      title (class Title)
              Specifies a string that may be used by the window manager when
              displaying this application.

      ttyModes (class TtyModes)
              Specifies a string containing terminal setting keywords and
              the characters to which they may be bound.  Allowable keywords
              include: intr, quit, erase, kill, eof, eol, swtch, start,
              stop, brk, susp, dsusp, rprnt, flush, weras, and lnext.
              Control characters may be specified as ^char (e.g. ^c or ^u)
              and ^? may be used to indicate Delete.  This is very useful
              for overriding the default terminal settings without having to
              do an stty every time an xterm is started.

      useInsertMode (class UseInsertMode)
              Force use of insert mode by adding appropriate entries to the
              TERMCAP environment variable.  This is useful if the system



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              termcap is broken.  The default is ``false.''

      utmpInhibit (class UtmpInhibit)
              Specifies whether or not xterm should try to record the user's
              terminal in /etc/utmp.

      sunFunctionKeys (class SunFunctionKeys)
              Specifies whether or not Sun Function Key escape codes should
              be generated for function keys instead of standard escape
              sequences.

      waitForMap (class WaitForMap)
              Specifies whether or not xterm should wait for the initial
              window map before starting the subprocess.  The default is
              ``false.''


      The following resources are specified as part of the vt100 widget
      (class VT100):

      allowSendEvents (class AllowSendEvents)
              Specifies whether or not synthetic key and button events
              (generated using the X protocol SendEvent request) should be
              interpreted or discarded.  The default is ``false'' meaning
              they are discarded.  Note that allowing such events creates a
              very large security hole.


      alwaysHighlight (class AlwaysHighlight)
              Specifies whether or not xterm should always display a
              highlighted text cursor.  By default, a hollow text cursor is
              displayed whenever the pointer moves out of the window or the
              window loses the input focus.

      appcursorDefault (class AppcursorDefault)
              If ``true,'' the cursor keys are initially in application
              mode.  The default is ``false.''

      appkeypadDefault (class AppkeypadDefault)
              If ``true,'' the keypad keys are initially in application
              mode.  The default is ``false.''

      autoWrap (class AutoWrap)
              Specifies whether or not auto-wraparound should be enabled.
              The default is ``true.''

      awaitInput (class AwaitInput)
              Specifies whether or not the xterm uses a 50 millisecond
              timeout to await input (i.e., to support the Xaw3d arrow
              scrollbar).  The default is ``false.''




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      bellSuppressTime (class BellSuppressTime)
              Number of milliseconds after a bell command is sent during
              which additional bells will be suppressed.  Default is 200.
              If set non-zero, additional bells will also be suppressed
              until the server reports that processing of the first bell has
              been completed; this feature is most useful with the visible
              bell.

      boldFont (class BoldFont)
              Specifies the name of the bold font to use instead of
              overstriking.

      c132 (class C132)
              Specifies whether or not the VT102 DECCOLM escape sequence
              should be honored.  The default is ``false.''

      cutNewline (class CutNewline)
              If false, triple clicking to select a line does not include
              the Newline at the end of the line.  If true, the Newline is
              selected.  The default is ``true.''

      cutToBeginningOfLine (class CutToBeginningOfLine)
              If false, triple clicking to select a line selects only from
              the current word forward.  If true, the entire line is
              selected.  The default is ``true.''

      charClass (class CharClass)
              Specifies comma-separated lists of character class bindings of
              the form [low-]high:value.  These are used in determining
              which sets of characters should be treated the same when doing
              cut and paste.  See the section on specifying character
              classes.

      curses (class Curses)
              Specifies whether or not the last column bug in more(1) should
              be worked around.  See the -cu option for details.  The
              default is ``false.''

      colorMode (class ColorMode)
              Specifies whether or not recognition of ANSI (ISO 6429) color
              change escape sequences should be enabled.

      colorBDMode (class ColorMode)
              Specifies whether characters with the bold attribute should be
              displayed in color or as bold characters.  Note that setting
              ``colorMode'' off disables all colors, including bold.

      colorULMode (class ColorMode)
              Specifies whether characters with the underline attribute
              should be displayed in color or as underlined characters.
              Note that setting ``colorMode'' off disables all colors,



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              including underlining.

      color0 (class Foreground)

      color1 (class Foreground)

      color2 (class Foreground)

      color3 (class Foreground)

      color4 (class Foreground)

      color5 (class Foreground)

      color6 (class Foreground)

      color7 (class Foreground)
              These specify the colors for the ISO 6429 extension.  The
              defaults are, respectively, black, red, green, yellow, blue,
              magenta, cyan, and white.

      color8 (class Foreground)

      color9 (class Foreground)

      color10 (class Foreground)

      color11 (class Foreground)

      color12 (class Foreground)

      color13 (class Foreground)

      color14 (class Foreground)

      color15 (class Foreground)
              These specify the colors for the ISO 6429 extension if the
              bold attribute is also enabled.  The defaults are,
              respectively, black, red, green, yellow, blue, magenta, cyan,
              and white.

      colorBD (class Foreground)
              This specifies the color to use to display bold characters if
              the ``colorBDMode'' resource is enabled.

      colorUL (class Foreground)
              This specifies the color to use to display underlined
              characters if the ``colorULMode'' resource is enabled.

      decTerminalID (class DecTerminalID)
              Specifies the emulation level (100=VT100, 220=VT220, etc.),



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              used to determine the type of response to a DA control
              sequence.  The default is 100.

      dynamicColors (class DynamicColors)
              Specifies whether or not escape sequences to change colors
              assigned to different attributes are recognized.

      background (class Background)
              Specifies the color to use for the background of the window.
              The default is ``white.''

      foreground (class Foreground)
              Specifies the color to use for displaying text in the window.
              Setting the class name instead of the instance name is an easy
              way to have everything that would normally appear in the text
              color change color.  The default is ``black.''

      cursorColor (class Foreground)
              Specifies the color to use for the text cursor.  The default
              is ``black.''

      eightBitInput (class EightBitInput)
              If true, Meta characters input from the keyboard are presented
              as a single character with the eighth bit turned on.  If
              false, Meta characters are converted into a two-character
              sequence with the character itself preceded by ESC.  The
              default is ``true.''

      eightBitOutput (class EightBitOutput)
              Specifies whether or not eight-bit characters sent from the
              host should be accepted as is or stripped when printed.  The
              default is ``true.''

      eightBitControl (class EightBitControl)
              Specifies whether or not control sequences sent by the
              terminal should be eight-bit characters or escape sequences.
              The default is ``false.''

      font (class Font)
              Specifies the name of the normal font.  The default is
              ``fixed.''

      font1 (class Font1)
              Specifies the name of the first alternative font.

      font2 (class Font2)
              Specifies the name of the second alternative font.

      font3 (class Font3)
              Specifies the name of the third alternative font.




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      font4 (class Font4)
              Specifies the name of the fourth alternative font.

      font5 (class Font5)
              Specifies the name of the fifth alternative font.

      font6 (class Font6)
              Specifies the name of the sixth alternative font.

      geometry (class Geometry)
              Specifies the preferred size and position of the VT102 window.

      highlightSelection (class HighlightSelection)
              If false, selecting with the mouse highlights all positions on
              the screen between the beginning of the selection and the
              current position.  If true, xterm highlights only the
              positions that contain text that can be selected.  The default
              is ``false.''

      hpLowerleftBugCompat (class HpLowerleftBugCompat)
              Specifies whether to work around a bug in HP's xdb, which
              ignores termcap and always sends ESC F to move to the lower
              left corner.  ``true'' causes xterm to interpret ESC F as a
              request to move to the lower left corner of the screen.  The
              default is ``false.''

      internalBorder (class BorderWidth)
              Specifies the number of pixels between the characters and the
              window border.  The default is 2.

      jumpScroll (class JumpScroll)
              Specifies whether or not jump scroll should be used.  The
              default is ``true.''

      loginShell (class LoginShell)
              Specifies whether or not the shell to be run in the window
              should be started as a login shell.  The default is ``false.''

      marginBell (class MarginBell)
              Specifies whether or not the bell should be run when the user
              types near the right margin.  The default is ``false.''

      multiClickTime (class MultiClickTime)
              Specifies the maximum time in milliseconds between multi-click
              select events.  The default is 250 milliseconds.

      multiScroll (class MultiScroll)
              Specifies whether or not scrolling should be done
              asynchronously.  The default is ``false.''





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      nMarginBell (class Column)
              Specifies the number of characters from the right margin at
              which the margin bell should be rung, when enabled.

      pointerColor (class Foreground)
              Specifies the foreground color of the pointer.  The default is
              ``XtDefaultForeground.''

      pointerColorBackground (class Background)
              Specifies the background color of the pointer.  The default is
              ``XtDefaultBackground.''

      pointerShape (class Cursor)
              Specifies the name of the shape of the pointer.  The default
              is ``xterm.''

      dynamicColors (class DynamicColors)
              Specifies whether or not dynamic modification of colors using
              the escape sequence is allowed.

      resizeGravity (class ResizeGravity)
              Affects the behavior when the window is resized to be taller
              or shorter.  NorthWest specifies that the top line of text on
              the screen stay fixed.  If the window is made shorter, lines
              are dropped from the bottom; if the window is made taller,
              blank lines are added at the bottom.  This is compatible with
              the behavior in R4.  SouthWest (the default) specifies that
              the bottom line of text on the screen stay fixed.  If the
              window is made taller, additional saved lines will be scrolled
              down onto the screen; if the window is made shorter, lines
              will be scrolled off the top of the screen, and the top saved
              lines will be dropped.

      reverseVideo (class ReverseVideo)
              Specifies whether or not reverse video should be simulated.
              The default is ``false.''

      reverseWrap (class ReverseWrap)
              Specifies whether or not reverse-wraparound should be enabled.
              The default is ``false.''

      saveLines (class SaveLines)
              Specifies the number of lines to save beyond the top of the
              screen when a scrollbar is turned on.  The default is 64.

      scrollBar (class ScrollBar)
              Specifies whether or not the scrollbar should be displayed.
              The default is ``false.''

      scrollTtyOutput (class ScrollCond)
              Specifies whether or not output to the terminal should



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              automatically cause the scrollbar to go to the bottom of the
              scrolling region.  The default is ``true.''

      scrollKey (class ScrollCond)
              Specifies whether or not pressing a key should automatically
              cause the scrollbar to go to the bottom of the scrolling
              region.  The default is ``false.''

      scrollLines (class ScrollLines)
              Specifies the number of lines that the scroll-back and
              scroll-forw actions should use as a default.  The default
              value is 1.

      signalInhibit (class SignalInhibit)
              Specifies whether or not the entries in the ``Main Options''
              menu for sending signals to xterm should be disallowed.  The
              default is ``false.''

      tekGeometry (class Geometry)
              Specifies the preferred size and position of the Tektronix
              window.

      tekInhibit (class TekInhibit)
              Specifies whether or not the escape sequence to enter
              Tektronix mode should be ignored.  The default is ``false.''

      tekSmall (class TekSmall)
              Specifies whether or not the Tektronix mode window should
              start in its smallest size if no explicit geometry is given.
              This is useful when running xterm on displays with small
              screens.  The default is ``false.''

      tekStartup (class TekStartup)
              Specifies whether or not xterm should start up in Tektronix
              mode.  The default is ``false.''

      titeInhibit (class TiteInhibit)
              Specifies whether or not xterm should remove remove ti and te
              termcap entries (used to switch between alternate screens on
              startup of many screen-oriented programs) from the TERMCAP
              string.  If set, xterm also ignores the escape sequence to
              switch to the alternate screen.

      translations (class Translations)
              Specifies the key and button bindings for menus, selections,
              ``programmed strings,'' etc.  See ACTIONS below.

      underLine (class UnderLine)
              This specifies whether or not text with the underline
              attribute should be underlined.  It may be desirable to
              disable underlining when color is being used for the underline



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              attribute.

      visualBell (class VisualBell)
              Specifies whether or not a visible bell (i.e. flashing) should
              be used instead of an audible bell when Control-G is received.
              The default is ``false.''


      The following resources are specified as part of the tek4014 widget
      (class Tek4014):

      width (class Width)
              Specifies the width of the Tektronix window in pixels.

      height (class Height)
              Specifies the height of the Tektronix window in pixels.

      fontLarge (class Font)
              Specifies the large font to use in the Tektronix window.

      font2 (class Font)
              Specifies font number 2 to use in the Tektronix window.

      font3 (class Font)
              Specifies font number 3 to use in the Tektronix window.

      fontSmall (class Font)
              Specifies the small font to use in the Tektronix window.

      initialFont (class InitialFont)
              Specifies which of the four Tektronix fonts to use initially.
              Values are the same as for the set-tek-text action.  The
              default is ``large.''

      ginTerminator (class GinTerminator)
              Specifies what character(s) should follow a GIN report or
              status report.  The possibilities are ``none,'' which sends no
              terminating characters, ``CRonly,'' which sends CR, and
              ``CR&EOT,'' which sends both CR and EOT.  The default is
              ``none.''


      The resources that may be specified for the various menus are
      described in the documentation for the Athena SimpleMenu widget.  The
      name and classes of the entries in each of the menus are listed below.

      The mainMenu has the following entries:

      securekbd (class SmeBSB)
              This entry invokes the secure() action.




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      allowsends (class SmeBSB)
              This entry invokes the allow-send-events(toggle) action.

      redraw (class SmeBSB)
              This entry invokes the redraw() action.

      line1 (class SmeLine)
              This is a separator.

      8-bit-control (class SmeBSB)
              This entry invokes the set-8-bit-control(toggle) action.

      sun-function-keys (class SmeBSB)
              This entry invokes the sun-function-keys(toggle) action.

      line2 (class SmeLine)
              This is a separator.

      suspend (class SmeBSB)
              This entry invokes the send-signal(tstp) action on systems
              that support job control.

      continue (class SmeBSB)
              This entry invokes the send-signal(cont) action on systems
              that support job control.

      interrupt (class SmeBSB)
              This entry invokes the send-signal(int) action.

      hangup (class SmeBSB)
              This entry invokes the send-signal(hup) action.

      terminate (class SmeBSB)
              This entry invokes the send-signal(term) action.

      kill (class SmeBSB)
              This entry invokes the send-signal(kill) action.

      line3 (class SmeLine)
              This is a separator.

      quit (class SmeBSB)
              This entry invokes the quit() action.


      The vtMenu has the following entries:

      scrollbar (class SmeBSB)
              This entry invokes the set-scrollbar(toggle) action.





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      jumpscroll (class SmeBSB)
              This entry invokes the set-jumpscroll(toggle) action.

      reversevideo (class SmeBSB)
              This entry invokes the set-reverse-video(toggle) action.

      autowrap (class SmeBSB)
              This entry invokes the set-autowrap(toggle) action.

      reversewrap (class SmeBSB)
              This entry invokes the set-reversewrap(toggle) action.

      autolinefeed (class SmeBSB)
              This entry invokes the set-autolinefeed(toggle) action.

      appcursor (class SmeBSB)
              This entry invokes the set-appcursor(toggle) action.

      appkeypad (class SmeBSB)
              This entry invokes the set-appkeypad(toggle) action.

      scrollkey (class SmeBSB)
              This entry invokes the set-scroll-on-key(toggle) action.

      scrollttyoutput (class SmeBSB)
              This entry invokes the set-scroll-on-tty-output(toggle)
              action.

      allow132 (class SmeBSB)
              This entry invokes the set-allow132(toggle) action.

      cursesemul (class SmeBSB)
              This entry invokes the set-cursesemul(toggle) action.

      visualbell (class SmeBSB)
              This entry invokes the set-visualbell(toggle) action.

      marginbell (class SmeBSB)
              This entry invokes the set-marginbell(toggle) action.

      altscreen (class SmeBSB)
              This entry is currently disabled.

      line1 (class SmeLine)
              This is a separator.

      softreset (class SmeBSB)
              This entry invokes the soft-reset() action.

      hardreset (class SmeBSB)
              This entry invokes the hard-reset() action.



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      clearsavedlines (class SmeBSB)
              This entry invokes the clear-saved-lines() action.

      line2 (class SmeLine)
              This is a separator.

      tekshow (class SmeBSB)
              This entry invokes the set-visibility(tek,toggle) action.

      tekmode (class SmeBSB)
              This entry invokes the set-terminal-type(tek) action.

      vthide (class SmeBSB)
              This entry invokes the set-visibility(vt,off) action.


      The fontMenu has the following entries:

      fontdefault (class SmeBSB)
              This entry invokes the set-vt-font(d) action.

      font1 (class SmeBSB)
              This entry invokes the set-vt-font(1) action.

      font2 (class SmeBSB)
              This entry invokes the set-vt-font(2) action.

      font3 (class SmeBSB)
              This entry invokes the set-vt-font(3) action.

      font4 (class SmeBSB)
              This entry invokes the set-vt-font(4) action.

      font5 (class SmeBSB)
              This entry invokes the set-vt-font(5) action.

      font6 (class SmeBSB)
              This entry invokes the set-vt-font(6) action.

      fontescape (class SmeBSB)
              This entry invokes the set-vt-font(e) action.

      fontsel (class SmeBSB)
              This entry invokes the set-vt-font(s) action.


      The tekMenu has the following entries:

      tektextlarge (class SmeBSB)
              This entry invokes the set-tek-text(l) action.




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      tektext2 (class SmeBSB)
              This entry invokes the set-tek-text(2) action.

      tektext3 (class SmeBSB)
              This entry invokes the set-tek-text(3) action.

      tektextsmall (class SmeBSB)
              This entry invokes the set-tek-text(s) action.

      line1 (class SmeLine)
              This is a separator.

      tekpage (class SmeBSB)
              This entry invokes the tek-page() action.

      tekreset (class SmeBSB)
              This entry invokes the tek-reset() action.

      tekcopy (class SmeBSB)
              This entry invokes the tek-copy() action.

      line2 (class SmeLine)
              This is a separator.

      vtshow (class SmeBSB)
              This entry invokes the set-visibility(vt,toggle) action.

      vtmode (class SmeBSB)
              This entry invokes the set-terminal-type(vt) action.

      tekhide (class SmeBSB)
              This entry invokes the set-visibility(tek,toggle) action.


      The following resources are useful when specified for the Athena
      Scrollbar widget:

      thickness (class Thickness)
              Specifies the width in pixels of the scrollbar.

      background (class Background)
              Specifies the color to use for the background of the
              scrollbar.

      foreground (class Foreground)
              Specifies the color to use for the foreground of the
              scrollbar.  The ``thumb'' of the scrollbar is a simple
              checkerboard pattern alternating pixels for foreground and
              background color.





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 POINTER USAGE
      Once the VT102 window is created, xterm allows you to select text and
      copy it within the same or other windows.

      The selection functions are invoked when the pointer buttons are used
      with no modifiers, and when they are used with the ``shift'' key.  The
      assignment of the functions described below to keys and buttons may be
      changed through the resource database; see ACTIONS below.

      Pointer button one (usually left) is used to save text into the cut
      buffer.  Move the cursor to beginning of the text, and then hold the
      button down while moving the cursor to the end of the region and
      releasing the button.  The selected text is highlighted and is saved
      in the global cut buffer and made the PRIMARY selection when the
      button is released.  Double-clicking selects by words.  Triple-
      clicking selects by lines.  Quadruple-clicking goes back to
      characters, etc.  Multiple-click is determined by the time from button
      up to button down, so you can change the selection unit in the middle
      of a selection.  If the key/button bindings specify that an X
      selection is to be made, xterm will leave the selected text
      highlighted for as long as it is the selection owner.

      Pointer button two (usually middle) `types' (pastes) the text from the
      PRIMARY selection, if any, otherwise from the cut buffer, inserting it
      as keyboard input.

      Pointer button three (usually right) extends the current selection.
      (Without loss of generality, you can swap ``right'' and ``left''
      everywhere in the rest of this paragraph.)  If pressed while closer to
      the right edge of the selection than the left, it extends/contracts
      the right edge of the selection.  If you contract the selection past
      the left edge of the selection, xterm assumes you really meant the
      left edge, restores the original selection, then extends/contracts the
      left edge of the selection.  Extension starts in the selection unit
      mode that the last selection or extension was performed in; you can
      multiple-click to cycle through them.

      By cutting and pasting pieces of text without trailing new lines, you
      can take text from several places in different windows and form a
      command to the shell, for example, or take output from a program and
      insert it into your favorite editor.  Since the cut buffer is globally
      shared among different applications, you should regard it as a `file'
      whose contents you know.  The terminal emulator and other text
      programs should be treating it as if it were a text file, i.e., the
      text is delimited by new lines.

      The scroll region displays the position and amount of text currently
      showing in the window (highlighted) relative to the amount of text
      actually saved.  As more text is saved (up to the maximum), the size
      of the highlighted area decreases.




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      Clicking button one with the pointer in the scroll region moves the
      adjacent line to the top of the display window.

      Clicking button three moves the top line of the display window down to
      the pointer position.

      Clicking button two moves the display to a position in the saved text
      that corresponds to the pointer's position in the scrollbar.

      Unlike the VT102 window, the Tektronix window does not allow the
      copying of text.  It does allow Tektronix GIN mode, and in this mode
      the cursor will change from an arrow to a cross.  Pressing any key
      will send that key and the current coordinate of the cross cursor.
      Pressing button one, two, or three will return the letters `l', `m',
      and `r', respectively.  If the `shift' key is pressed when a pointer
      button is pressed, the corresponding upper case letter is sent.  To
      distinguish a pointer button from a key, the high bit of the character
      is set (but this is bit is normally stripped unless the terminal mode
      is RAW; see tty(4) for details).

 MENUS
      Xterm has four menus, named mainMenu, vtMenu, fontMenu, and tekMenu.
      Each menu pops up under the correct combinations of key and button
      presses.  Most menus are divided into two section, separated by a
      horizontal line.  The top portion contains various modes that can be
      altered.  A check mark appears next to a mode that is currently
      active.  Selecting one of these modes toggles its state.  The bottom
      portion of the menu are command entries; selecting one of these
      performs the indicated function.

      The xterm menu pops up when the ``control'' key and pointer button one
      are pressed in a window.  The mainMenu contains items that apply to
      both the VT102 and Tektronix windows.  The Secure Keyboard mode is be
      used when typing in passwords or other sensitive data in an unsecure
      environment; see SECURITY below.  Notable entries in the command
      section of the menu are the Continue, Suspend, Interrupt, Hangup,
      Terminate and Kill which sends the SIGCONT, SIGTSTP, SIGINT, SIGHUP,
      SIGTERM and SIGKILL signals, respectively, to the process group of the
      process running under xterm (usually the shell).  The Continue
      function is especially useful if the user has accidentally typed
      CTRL-Z, suspending the process.

      The vtMenu sets various modes in the VT102 emulation, and is popped up
      when the ``control'' key and pointer button two are pressed in the
      VT102 window.  In the command section of this menu, the soft reset
      entry will reset scroll regions.  This can be convenient when some
      program has left the scroll regions set incorrectly (often a problem
      when using VMS or TOPS-20).  The full reset entry will clear the
      screen, reset tabs to every eight columns, and reset the terminal
      modes (such as wrap and smooth scroll) to their initial states just
      after xterm has finished processing the command line options.



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      The fontMenu sets the font used in the VT102 window.  In addition to
      the default font and a number of alternatives that are set with
      resources, the menu offers the font last specified by the Set Font
      escape sequence (see the document Xterm Control Sequences) and the
      current selection as a font name (if the PRIMARY selection is owned).

      The tekMenu sets various modes in the Tektronix emulation, and is
      popped up when the ``control'' key and pointer button two are pressed
      in the Tektronix window.  The current font size is checked in the
      modes section of the menu.  The PAGE entry in the command section
      clears the Tektronix window.

 SECURITY
      X environments differ in their security consciousness.  Most servers,
      run under xdm, are capable of using a ``magic cookie'' authorization
      scheme that can provide a reasonable level of security for many
      people.  If your server is only using a host-based mechanism to
      control access to the server (see xhost(1)), then if you enable access
      for a host and other users are also permitted to run clients on that
      same host, there is every possibility that someone can run an
      application that will use the basic services of the X protocol to
      snoop on your activities, potentially capturing a transcript of
      everything you type at the keyboard.  This is of particular concern
      when you want to type in a password or other sensitive data.  The best
      solution to this problem is to use a better authorization mechanism
      that host-based control, but a simple mechanism exists for protecting
      keyboard input in xterm.

      The xterm menu (see MENUS above) contains a Secure Keyboard entry
      which, when enabled, ensures that all keyboard input is directed only
      to xterm (using the GrabKeyboard protocol request).  When an
      application prompts you for a password (or other sensitive data), you
      can enable Secure Keyboard using the menu, type in the data, and then
      disable Secure Keyboard using the menu again.  Only one X client at a
      time can secure the keyboard, so when you attempt to enable Secure
      Keyboard it may fail.  In this case, the bell will sound.  If the
      Secure Keyboard succeeds, the foreground and background colors will be
      exchanged (as if you selected the Reverse Video entry in the Modes
      menu); they will be exchanged again when you exit secure mode.  If the
      colors do not switch, then you should be very suspicious that you are
      being spoofed.  If the application you are running displays a prompt
      before asking for the password, it is safest to enter secure mode
      before the prompt gets displayed, and to make sure that the prompt
      gets displayed correctly (in the new colors), to minimize the
      probability of spoofing.  You can also bring up the menu again and
      make sure that a check mark appears next to the entry.

      Secure Keyboard mode will be disabled automatically if your xterm
      window becomes iconified (or otherwise unmapped), or if you start up a
      reparenting window manager (that places a title bar or other
      decoration around the window) while in Secure Keyboard mode.  (This is



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      a feature of the X protocol not easily overcome.)  When this happens,
      the foreground and background colors will be switched back and the
      bell will sound in warning.

 CHARACTER CLASSES
      Clicking the middle mouse button twice in rapid succession will cause
      all characters of the same class (e.g. letters, white space,
      punctuation) to be selected.  Since different people have different
      preferences for what should be selected (for example, should filenames
      be selected as a whole or only the separate subnames), the default
      mapping can be overridden through the use of the charClass (class
      CharClass) resource.

      This resource is a series of comma-separated of range:value pairs.
      The range is either a single number or low-high in the range of 0 to
      127, corresponding to the ASCII code for the character or characters
      to be set.  The value is arbitrary, although the default table uses
      the character number of the first character occurring in the set.

      The default table is

              static int charClass[128] = {
              /* NUL  SOH  STX  ETX  EOT  ENQ  ACK  BEL */
                  32,   1,   1,   1,   1,   1,   1,   1,
              /*  BS   HT   NL   VT   NP   CR   SO   SI */
                   1,  32,   1,   1,   1,   1,   1,   1,
              /* DLE  DC1  DC2  DC3  DC4  NAK  SYN  ETB */
                   1,   1,   1,   1,   1,   1,   1,   1,
              /* CAN   EM  SUB  ESC   FS   GS   RS   US */
                   1,   1,   1,   1,   1,   1,   1,   1,
              /*  SP    !    "    #    $    %    &    ' */
                  32,  33,  34,  35,  36,  37,  38,  39,
              /*   (    )    *    +    ,    -    .    / */
                  40,  41,  42,  43,  44,  45,  46,  47,
              /*   0    1    2    3    4    5    6    7 */
                  48,  48,  48,  48,  48,  48,  48,  48,
              /*   8    9    :    ;    <    =    >    ? */
                  48,  48,  58,  59,  60,  61,  62,  63,
              /*   @    A    B    C    D    E    F    G */
                  64,  48,  48,  48,  48,  48,  48,  48,
              /*   H    I    J    K    L    M    N    O */
                  48,  48,  48,  48,  48,  48,  48,  48,
              /*   P    Q    R    S    T    U    V    W */
                  48,  48,  48,  48,  48,  48,  48,  48,
              /*   X    Y    Z    [    \    ]    ^    _ */
                  48,  48,  48,  91,  92,  93,  94,  48,
              /*   `    a    b    c    d    e    f    g */
                  96,  48,  48,  48,  48,  48,  48,  48,
              /*   h    i    j    k    l    m    n    o */
                  48,  48,  48,  48,  48,  48,  48,  48,
              /*   p    q    r    s    t    u    v    w */



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                                 Release 6.1



                  48,  48,  48,  48,  48,  48,  48,  48,
              /*   x    y    z    {    |    }    ~  DEL */
                  48,  48,  48, 123, 124, 125, 126,   1};

      For example, the string ``33:48,37:48,45-47:48,64:48'' indicates that
      the exclamation mark, percent sign, dash, period, slash, and ampersand
      characters should be treated the same way as characters and numbers.
      This is useful for cutting and pasting electronic mailing addresses
      and filenames.

 ACTIONS
      It is possible to rebind keys (or sequences of keys) to arbitrary
      strings for input, by changing the translations for the vt100 or
      tek4014 widgets.  Changing the translations for events other than key
      and button events is not expected, and will cause unpredictable
      behavior.  The following actions are provided for using within the
      vt100 or tek4014 translations resources:

      bell([percent])
              This action rings the keyboard bell at the specified
              percentage above or below the base volume.

      create-menu(m/v/f/t)
              This action creates one of the menus used by xterm, if it has
              not been previously created.  The parameter values are the
              menu names: mainMenu, vtMenu, fontMenu, tekMenu, respectively.

      ignore()
              This action ignores the event but checks for special pointer
              position escape sequences.

      insert()
              This action inserts the character or string associated with
              the key that was pressed.

      insert-seven-bit()
              This action is a synonym for insert()

      insert-eight-bit()
              This action inserts an eight-bit (Meta) version of the
              character or string associated with the key that was pressed.
              The exact action depends on the value of the eightBitInput
              resource.

      insert-selection(sourcename [, ...])
              This action inserts the string found in the selection or
              cutbuffer indicated by sourcename.  Sources are checked in the
              order given (case is significant) until one is found.
              Commonly-used selections include: PRIMARY, SECONDARY, and
              CLIPBOARD.  Cut buffers are typically named CUT_BUFFER0
              through CUT_BUFFER7.



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      keymap(name)
              This action dynamically defines a new translation table whose
              resource name is name with the suffix Keymap (case is
              significant).  The name None restores the original translation
              table.

      popup-menu(menuname)
              This action displays the specified popup menu.  Valid names
              (case is significant) include:  mainMenu, vtMenu, fontMenu,
              and tekMenu.

      secure()
              This action toggles the Secure Keyboard mode described in the
              section named SECURITY, and is invoked from the securekbd
              entry in mainMenu.

      select-start()
              This action begins text selection at the current pointer
              location.  See the section on POINTER USAGE for information on
              making selections.

      select-extend()
              This action tracks the pointer and extends the selection.  It
              should only be bound to Motion events.

      select-end(destname [, ...])
              This action puts the currently selected text into all of the
              selections or cutbuffers specified by destname.

      select-set()
              This action stores text that corresponds to the current
              selection, without affecting the selection mode.

      select-cursor-start()
              This action is similar to select-start except that it begins
              the selection at the current text cursor position.

      select-cursor-end(destname [, ...])
              This action is similar to select-end except that it should be
              used with select-cursor-start.

      set-vt-font(d/1/2/3/4/5/6/e/s [,normalfont [, boldfont]])
              This action sets the font or fonts currently being used in the
              VT102 window.  The first argument is a single character that
              specifies the font to be used: d or D indicate the default
              font (the font initially used when xterm was started), 1
              through 6 indicate the fonts specified by the font1 through
              font6 resources, e or E indicate the normal and bold fonts
              that have been set through escape codes (or specified as the
              second and third action arguments, respectively), and s or S
              indicate the font selection (as made by programs such as



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              xfontsel(1)) indicated by the second action argument.

      start-extend()
              This action is similar to select-start except that the
              selection is extended to the current pointer location.

      start-cursor-extend()
              This action is similar to select-extend except that the
              selection is extended to the current text cursor position.

      string(string)
              This action inserts the specified text string as if it had
              been typed.  Quotation is necessary if the string contains
              whitespace or non-alphanumeric characters.  If the string
              argument begins with the characters ``0x'', it is interpreted
              as a hex character constant.

      scroll-back(count [,units])
              This action scrolls the text window backward so that text that
              had previously scrolled off the top of the screen is now
              visible.  The count argument indicates the number of units
              (which may be page, halfpage, pixel, or line) by which to
              scroll.

      scroll-forw(count [,units])
              This action scrolls is similar to scroll-back except that it
              scrolls the other direction.

      allow-send-events(on/off/toggle)
              This action set or toggles the allowSendEvents resource and is
              also invoked by the allowsends entry in mainMenu.

      set-logging()
              This action toggles the state of the logging option.

      redraw()
              This action redraws the window and is also invoked by the
              redraw entry in mainMenu.

      send-signal(signame)
              This action sends the signal named by signame to the xterm
              subprocess (the shell or program specified with the -e command
              line option) and is also invoked by the suspend, continue,
              interrupt, hangup, terminate, and kill entries in mainMenu.
              Allowable signal names are (case is not significant): tstp (if
              supported by the operating system), suspend (same as tstp),
              cont (if supported by the operating system), int, hup, term,
              quit, alrm, alarm (same as alrm) and kill.

      quit()  This action sends a SIGHUP to the subprogram and exits.  It is
              also invoked by the quit entry in mainMenu.



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      set-scrollbar(on/off/toggle)
              This action toggles the scrollbar resource and is also invoked
              by the scrollbar entry in vtMenu.

      set-jumpscroll(on/off/toggle)
              This action toggles the jumpscroll resource and is also
              invoked by the jumpscroll entry in vtMenu.

      set-reverse-video(on/off/toggle)
              This action toggles the reverseVideo resource and is also
              invoked by the reversevideo entry in vtMenu.

      set-autowrap(on/off/toggle)
              This action toggles automatic wrapping of long lines and is
              also invoked by the autowrap entry in vtMenu.

      set-reversewrap(on/off/toggle)
              This action toggles the reverseWrap resource and is also
              invoked by the reversewrap entry in vtMenu.

      set-autolinefeed(on/off/toggle)
              This action toggles automatic insertion of linefeeds and is
              also invoked by the autolinefeed entry in vtMenu.

      set-appcursor(on/off/toggle)
              This action toggles the handling Application Cursor Key mode
              and is also invoked by the appcursor entry in vtMenu.

      set-appkeypad(on/off/toggle)
              This action toggles the handling of Application Keypad mode
              and is also invoked by the appkeypad entry in vtMenu.

      set-scroll-on-key(on/off/toggle)
              This action toggles the scrollKey resource and is also invoked
              from the scrollkey entry in vtMenu.

      set-scroll-on-tty-output(on/off/toggle)
              This action toggles the scrollTtyOutput resource and is also
              invoked from the scrollttyoutput entry in vtMenu.

      set-allow132(on/off/toggle)
              This action toggles the c132 resource and is also invoked from
              the allow132 entry in vtMenu.

      set-cursesemul(on/off/toggle)
              This action toggles the curses resource and is also invoked
              from the cursesemul entry in vtMenu.

      set-visual-bell(on/off/toggle)
              This action toggles the visualBell resource and is also
              invoked by the visualbell entry in vtMenu.



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      set-marginbell(on/off/toggle)
              This action toggles the marginBell resource and is also
              invoked from the marginbell entry in vtMenu.

      set-altscreen(on/off/toggle)
              This action toggles between the alternate and current screens.

      soft-reset()
              This action resets the scrolling region and is also invoked
              from the softreset entry in vtMenu.

      hard-reset()
              This action resets the scrolling region, tabs, window size,
              and cursor keys and clears the screen.  It is also invoked
              from the hardreset entry in vtMenu.

      clear-saved-lines()
              This action does hard-reset() (see above) and also clears the
              history of lines saved off the top of the screen.  It is also
              invoked from the clearsavedlines entry in vtMenu.

      set-terminal-type(type)
              This action directs output to either the vt or tek windows,
              according to the type string.  It is also invoked by the
              tekmode entry in vtMenu and the vtmode entry in tekMenu.

      set-visibility(vt/tek,on/off/toggle)
              This action controls whether or not the vt or tek windows are
              visible.  It is also invoked from the tekshow and vthide
              entries in vtMenu and the vtshow and tekhide entries in
              tekMenu.

      set-tek-text(large/2/3/small)
              This action sets font used in the Tektronix window to the
              value of the resources tektextlarge, tektext2, tektext3, and
              tektextsmall according to the argument.  It is also by the
              entries of the same names as the resources in tekMenu.

      tek-page()
              This action clears the Tektronix window and is also invoked by
              the tekpage entry in tekMenu.

      tek-reset()
              This action resets the Tektronix window and is also invoked by
              the tekreset entry in tekMenu.

      tek-copy()
              This action copies the escape codes used to generate the
              current window contents to a file in the current directory
              beginning with the name COPY.  It is also invoked from the
              tekcopy entry in tekMenu.



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      visual-bell()
              This action flashes the window quickly.

      dired-button()
              Handles a button event (other than press and release) by
              echoing the event's position (i.e., character line and column)
              in the following format:

                      ^X ESC G <line+' '> <col+' '>

      vi-button()
              Handles a button event (other than press and release) by
              echoing a control sequence computed from the event's line
              number in the screen relative to the current line:

                      ESC ^P
              or
                      ESC ^N

              according to whether the event is before, or after the current
              line, respectively.  The ^N (or ^P) is repeated once for each
              line that the event differs from the current line.  The
              control sequence is omitted altogether if the button event is
              on the current line.

      The Tektronix window also has the following action:

      gin-press(l/L/m/M/r/R)
              This action sends the indicated graphics input code.

      The default bindings in the VT102 window are:

                    Shift <KeyPress> Prior:scroll-back(1,halfpage) \n\
                     Shift <KeyPress> Next:scroll-forw(1,halfpage) \n\
                   Shift <KeyPress> Select:select-cursor-start() \
                                                  select-cursor-end(PRIMARY, CUT_BUFFER0) \n\
                   Shift <KeyPress> Insert:insert-selection(PRIMARY, CUT_BUFFER0) \n\
                           ~Meta<KeyPress>:insert-seven-bit() \n\
                            Meta<KeyPress>:insert-eight-bit() \n\
                          !Ctrl <Btn1Down>:popup-menu(mainMenu) \n\
                     !Lock Ctrl <Btn1Down>:popup-menu(mainMenu) \n\
           !Lock Ctrl @Num_Lock <Btn1Down>:popup-menu(mainMenu) \n\
               ! @Num_Lock Ctrl <Btn1Down>:popup-menu(mainMenu) \n\
                          ~Meta <Btn1Down>:select-start() \n\
                        ~Meta <Btn1Motion>:select-extend() \n\
                          !Ctrl <Btn2Down>:popup-menu(vtMenu) \n\
                     !Lock Ctrl <Btn2Down>:popup-menu(vtMenu) \n\
           !Lock Ctrl @Num_Lock <Btn2Down>:popup-menu(vtMenu) \n\
               ! @Num_Lock Ctrl <Btn2Down>:popup-menu(vtMenu) \n\
                    ~Ctrl ~Meta <Btn2Down>:ignore() \n\
                      ~Ctrl ~Meta <Btn2Up>:insert-selection(PRIMARY, CUT_BUFFER0) \n\



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                          !Ctrl <Btn3Down>:popup-menu(fontMenu) \n\
                     !Lock Ctrl <Btn3Down>:popup-menu(fontMenu) \n\
           !Lock Ctrl @Num_Lock <Btn3Down>:popup-menu(fontMenu) \n\
               ! @Num_Lock Ctrl <Btn3Down>:popup-menu(fontMenu) \n\
                    ~Ctrl ~Meta <Btn3Down>:start-extend() \n\
                        ~Meta <Btn3Motion>:select-extend() \n\
                                   <BtnUp>:select-end(PRIMARY, CUT_BUFFER0) \n\
                                 <BtnDown>:bell(0)


      The default bindings in the Tektronix window are:

                          ~Meta<KeyPress>: insert-seven-bit() \n\
                           Meta<KeyPress>: insert-eight-bit() \n\
                         !Ctrl <Btn1Down>: popup-menu(mainMenu) \n\
                    !Lock Ctrl <Btn1Down>: popup-menu(mainMenu) \n\
          !Lock Ctrl @Num_Lock <Btn1Down>:popup-menu(mainMenu) \n\
               !Ctrl @Num_Lock <Btn1Down>:popup-menu(mainMenu) \n\
                         !Ctrl <Btn2Down>: popup-menu(tekMenu) \n\
                    !Lock Ctrl <Btn2Down>: popup-menu(tekMenu) \n\
          !Lock Ctrl @Num_Lock <Btn2Down>:popup-menu(tekMenu) \n\
               !Ctrl @Num_Lock <Btn2Down>:popup-menu(tekMenu) \n\
                    Shift ~Meta<Btn1Down>:gin-press(L) \n\
                          ~Meta<Btn1Down>:gin-press(l) \n\
                    Shift ~Meta<Btn2Down>:gin-press(M) \n\
                          ~Meta<Btn2Down>:gin-press(m) \n\
                    Shift ~Meta<Btn3Down>:gin-press(R) \n\
                          ~Meta<Btn3Down>:gin-press(r)


      Below is a sample how of the keymap() action is used to add special
      keys for entering commonly-typed works:

          *VT100.Translations: #override <Key>F13: keymap(dbx)
          *VT100.dbxKeymap.translations: \
               <Key>F14: keymap(None) \n\
               <Key>F17: string("next") string(0x0d) \n\
               <Key>F18: string("step") string(0x0d) \n\
               <Key>F19: string("continue") string(0x0d) \n\
               <Key>F20: string("print ") insert-selection(PRIMARY, CUT_BUFFER0)


 ENVIRONMENT
      Xterm sets the environment variables ``TERM'' and ``TERMCAP'' properly
      for the size window you have created.  It also uses and sets the
      environment variable ``DISPLAY'' to specify which bit map display
      terminal to use.  The environment variable ``WINDOWID'' is set to the
      X window id number of the xterm window.

 SEE ALSO
      resize(1), X(1), pty(4), tty(4)



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      Xterm Control Sequences

 BUGS
      Large pastes do not work on some systems.  This is not a bug in xterm;
      it is a bug in the pseudo terminal driver of those systems.  xterm
      feeds large pastes to the pty only as fast as the pty will accept
      data, but some pty drivers do not return enough information to know if
      the write has succeeded.

      Many of the options are not resettable after xterm starts.

      Only fixed-width, character-cell fonts are supported.

      This program still needs to be rewritten.  It should be split into
      very modular sections, with the various emulators being completely
      separate widgets that don't know about each other.  Ideally, you'd
      like to be able to pick and choose emulator widgets and stick them
      into a single control widget.

      There needs to be a dialog box to allow entry of the Tek COPY file
      name.

 AUTHORS
      Far too many people, including:

      Loretta Guarino Reid (DEC-UEG-WSL), Joel McCormack (DEC-UEG-WSL),
      Terry Weissman (DEC-UEG-WSL), Edward Moy (Berkeley), Ralph R. Swick
      (MIT-Athena), Mark Vandevoorde (MIT-Athena), Bob McNamara (DEC-MAD),
      Jim Gettys (MIT-Athena), Bob Scheifler (MIT X Consortium), Doug Mink
      (SAO), Steve Pitschke (Stellar), Ron Newman (MIT-Athena), Jim Fulton
      (MIT X Consortium), Dave Serisky (HP), Jonathan Kamens (MIT-Athena),
      David Wexelblat and Thomas Dickey (XFree86 Project).






















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