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           xset [-display display]
           [-b] [b {on|off}] [b [volume [pitch [duration]]]]
           [-bc] [bc]
           [-c] [c {on|off}] [c [volume]]
           [+dpms] [-dpms]
                [dpms  standby  [  suspend [ off]]]      [dpms force {standby|sus-
           [fp=pathlist] [-fp=pathlist] [+fp=pathlist] [fp-pathlist] [fp+pathlist]
           [fp default] [fp rehash]
           [-led [integer|named indicator]] [led [integer|named indicator]]
           [led {on|off}]
           [mouse [accel_mult[/accel_div] [threshold]]] [mouse default]
           [p pixel color]
           [-r [keycode]]  [r [keycode]] [r {on|off}] [r rate delay [rate]]
           [s  [length  [period]]]  [s  {blank|noblank}]  [s {expose|noexpose}] [s
           {on|off}] [s default] [s activate] [s reset]


           This program is used to set various user preference options of the dis-


           -display display
                   This option specifies the server to use; see X(7).
           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  reintro-
                   duces 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.
           +dpms   The +dpms option enables DPMS (Energy Star) features.
           dpms flags...
                   The dpms option allows the DPMS (Energy Star) parameters to  be
                   set.   The option can take up to three numerical values, or the
                   'force' flag followed by  a  DPMS  state.   The  'force'  flags
                   forces the server to immediately switch to the DPMS state spec-
                   ified.  The DPMS state can  be  one  of  'standby',  'suspend',
                   'off',  or 'on'.  When numerical values are given, they set the
                   inactivity period (in units of seconds) before the three  modes
                   are  activated.   The  first  value  given is for the 'standby'
                   mode, the second is for the 'suspend' mode, and  the  third  is
                   for  the  'off'  mode.  Setting these values implicitly enables
                   the DPMS features.  A value of zero disables a particular mode.
           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
           +fp or fp+
                   This  +fp  and  fp+  options prepend and append elements to the
                   current font path, respectively.  They must be  followed  by  a
                   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
                   'acceleration' and 'threshold'. The acceleration can be  speci-
                   fied  as an integer, or as a simple fraction. Threshold is just
                   an integer. The setting is applied to  all  connected  pointing
                   devices.  xinput(1)  should be used if you need device-specific
           By default the pointer (the on-screen representation  of  the  pointing
           device)  will  go  'acceleration' times as fast when the device travels
           more than 'threshold' mickeys (i.e. would-be pixels) in 10 ms,  includ-
           ing a small transition range. This way, the pointing device 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.
           If the 'threshold' parameter is  provided  and  0,  the  'acceleration'
           parameter will be used in the exponent of a more natural and continuous
           formula, giving precise control for slow motion but big reach for  fast
           motion,  and  a  progressive transition for motions in between.  Recom-
           mended 'acceleration' value in this case is 3/2 to 3, but  not  limited
           to that range.
           In  the X Server 1.6 and above, the behaviour described so far is
           linked to the default profile. There are other profiles (i.e. functions
           determining  pointer  acceleration from device velocity) and additional
           settings, so the above description may not apply to non-default  cases.
           In the Server 1.7, these are available as input device properties
           (see xinput).
           p       The p option controls pixel color values.  The  parameters  are
                   the  color  map entry number in decimal, and a color specifica-
                   tion.  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.  Invoking with "-r", or
                   "r off", will disable autorepeat, whereas "r", or  "r on"  will
                   enable  autorepeat.   Following  the "-r" or "r" option with an
                   integer keycode between  0  and  255  will  disable  or  enable
                   autorepeat on that key respectively, but only if it makes sense
                   for the particular keycode.  Keycodes below 8 are not typically
                   valid  for  this  command.   Example: "xset -r 10" will disable
                   autorepeat for the "1" key on the top row of  an  IBM  PC  key-
                   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
                   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.


           X(7), Xserver(1), xmodmap(1), xrdb(1), xsetroot(1), xinput(1)


           Bob Scheifler, MIT Laboratory for Computer Science
           David Krikorian, MIT Project Athena (X11 version)
           XFree86-Misc support added by David Dawes and Joe Moss
           Manpage updates added by Mike A. Harris <>

    X Version 11 xset 1.2.1 XSET(1)


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