XSET(1)                        X Version 11                         XSET(1)
                                 Release 6.3



 NAME    [Toc]    [Back]
      xset - user preference utility for X

 SYNOPSIS    [Toc]    [Back]
      xset [-display display] [-b] [b on/off] [b [volume [pitch [duration]]]
      [[-]bc] [-c] [c on/off] [c [volume]] [-dpms] [dpms on/off] [dpms
      default] [dpms StandbyTime SuspendTime OffTime] [[-+]fp[-+=]
      path[,path[,...]]] [fp default] [fp rehash] [[-]led [integer]] [led
      on/off] [m[ouse] [accel_mult[/accel_div] [threshold]]] [m[ouse]
      default] [p pixel color] [[-]r [keycode]] [r on/off] [s [length
      [period]]] [s blank/noblank] [s expose/noexpose] [s on/off] [s default]
      [s activate] [s reset] [q]

 DESCRIPTION    [Toc]    [Back]
      This program is used to set various user preference options of the
      display.

 OPTIONS    [Toc]    [Back]
      -display display
              This option specifies the server to use; see X(1).

      b       The b option controls bell volume, pitch and duration.  This
              option accepts up to three numerical parameters, a preceding
              dash(-), or a 'on/off' flag.  If no parameters are given, or
              the 'on' flag is used, the system defaults will be used.  If
              the dash or 'off' are given, the bell will be turned off.  If
              only one numerical parameter is given, the bell volume will be
              set to that value, as a percentage of its maximum.  Likewise,
              the second numerical parameter specifies the bell pitch, in
              hertz, and the third numerical parameter specifies the
              duration in milliseconds.  Note that not all hardware can vary
              the bell characteristics.  The X server will set the
              characteristics of the bell as closely as it can to the user's
              specifications.

      bc      The bc option controls bug compatibility mode in the server,
              if possible; a preceding dash(-) disables the mode, otherwise
              the mode is enabled.  Various pre-R4 clients pass illegal
              values in some protocol requests, and pre-R4 servers did not
              correctly generate errors in these cases.  Such clients, when
              run against an R4 server, will terminate abnormally or
              otherwise fail to operate correctly.  Bug compatibility mode
              explicitly reintroduces certain bugs into the X server, so
              that many such clients can still be run.  This mode should be
              used with care; new application development should be done
              with this mode disabled.  The server must support the MITSUNDRY-NONSTANDARD
 protocol extension in order for this option
              to work.

      c       The c option controls key click.  This option can take an
              optional value, a preceding dash(-), or an 'on/off' flag.  If



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              no parameter or the 'on' flag is given, the system defaults
              will be used. If the dash or 'off' flag is used, keyclick will
              be disabled.  If a value from 0 to 100 is given, it is used to
              indicate volume, as a percentage of the maximum.  The X server
              will set the volume to the nearest value that the hardware can
              support.

      -dpms or dpms
              The dpms option provides control over the VESA Display Power
              Management Signalling (DPMS) characteristics of video boards
              under control of the X Window System; see DPMS(3) and X(1).
              The '-dpms' and 'dpms off' options turn off the DPMS
              functionality while 'dpms on' enables it.  The 'dpms default'
              option both enables dpms and resets the time-out values to the
              system default.  The 'dpms' option followed by three integers
              will enable DPMS and set the Standby, Suspend and Off timeouts
 to the specified values.  The units for these time-out
              values are in seconds.  These values represent the total
              amount of idle time (as measured in keystrokes and mouse
              movements) which must transpire before that particular mode is
              activated.  Specifying a value of zero will disable a
              particular mode.  For a full description of the behavior of
              the various time-outs as well as a list of which graphics
              devices support DPMS see the Graphics Administration Guide,
              also found on-line at '/usr/lib/X11/Xserver/info/screens/hp'.

      fp= path,...
              The fp= sets the font path to the entries given in the path
              argument.  The entries are interpreted by the server, not by
              the client.  Typically they are directory names or font server
              names, but the interpretation is server-dependent.

      fp default
              The default argument causes the font path to be reset to the
              server's default.

      fp rehash
              The rehash argument resets the font path to its current value,
              causing the server to reread the font databases in the current
              font path.  This is generally only used when adding new fonts
              to a font directory (after running mkfontdir to recreate the
              font database).

      -fp or fp-
              The -fp and fp- options remove elements from the current font
              path.  They must be followed by a comma-separated list of
              entries.

      +fp or fp+
              This +fp and fp+ options prepend and append elements to the
              current font path, respectively.  They must be followed by a



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              comma-separated list of entries.

      led     The led option controls the keyboard LEDs.  This controls the
              turning on or off of one or all of the LEDs.  It accepts an
              optional integer, a preceding dash(-) or an 'on/off' flag.  If
              no parameter or the 'on' flag is given, all LEDs are turned
              on.  If a preceding dash or the flag 'off' is given, all LEDs
              are turned off.  If a value between 1 and 32 is given, that
              LED will be turned on or off depending on the existence of a
              preceding dash.  A common LED which can be controlled is the
              ``Caps Lock'' LED.  ``xset led 3'' would turn led #3 on.
              ``xset -led 3'' would turn it off.  The particular LED values
              may refer to different LEDs on different hardware.

      m       The m option controls the mouse parameters.  The parameters
              for the mouse are `acceleration' and `threshold'.  The
              acceleration can be specified as an integer, or as a simple
              fraction.  The mouse, or whatever pointer the machine is
              connected to, will go `acceleration' times as fast when it
              travels more than `threshold' pixels in a short time.  This
              way, the mouse can be used for precise alignment when it is
              moved slowly, yet it can be set to travel across the screen in
              a flick of the wrist when desired.  One or both parameters for
              the m option can be omitted, but if only one is given, it will
              be interpreted as the acceleration.  If no parameters or the
              flag 'default' is used, the system defaults will be set.

      p       The p option controls pixel color values.  The parameters are
              the color map entry number in decimal, and a color
              specification.  The root background colors may be changed on
              some servers by altering the entries for BlackPixel and
              WhitePixel.  Although these are often 0 and 1, they need not
              be.  Also, a server may choose to allocate those colors
              privately, in which case an error will be generated.  The map
              entry must not be a read-only color, or an error will result.

      r       The r option controls the autorepeat.  If a preceding dash or
              the 'off' flag is used, autorepeat will be disabled.  If no
              parameters or the 'on' flag is used, autorepeat will be
              enabled.  If a specific keycode is specified as a parameter,
              autorepeat for that keycode is enabled or disabled.

      s       The s option lets you set the screen saver parameters.  This
              option accepts up to two numerical parameters, a
              'blank/noblank' flag, an 'expose/noexpose' flag, an 'on/off'
              flag, an 'activate/reset' flag, or the 'default' flag.  If no
              parameters or the 'default' flag is used, the system will be
              set to its default screen saver characteristics.  The 'on/off'
              flags simply turn the screen saver functions on or off.  The
              'activate' flag forces activation of screen saver even if the
              screen saver had been turned off.  The 'reset' flag forces



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              deactivation of screen saver if it is active.  The 'blank'
              flag sets the preference to blank the video (if the hardware
              can do so) rather than display a background pattern, while
              'noblank' sets the preference to display a pattern rather than
              blank the video.  The 'expose' flag sets the preference to
              allow window exposures (the server can freely discard window
              contents), while 'noexpose' sets the preference to disable
              screen saver unless the server can regenerate the screens
              without causing exposure events.  The length and period
              parameters for the screen saver function determines how long
              the server must be inactive for screen saving to activate, and
              the period to change the background pattern to avoid burn in.
              The arguments are specified in seconds.  If only one numerical
              parameter is given, it will be used for the length.

      q       The q option gives you information on the current settings.

      These settings will be reset to default values when you log out.

      Note that not all X implementations are guaranteed to honor all of
      these options.

 SEE ALSO    [Toc]    [Back]
      X(1), Xserver(1), xmodmap(1), xrdb(1), xsetroot(1)

 AUTHOR    [Toc]    [Back]
      Bob Scheifler, MIT Laboratory for Computer Science
      David Krikorian, MIT Project Athena (X11 version)


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