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XSET(1)								       XSET(1)

NAME
       xset - user preference utility for X

SYNOPSIS
       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-
       pend|off|on}]
       [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]
       [q]
       [-version]

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

OPTIONS
       -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.
	       The server must	support	 the  MIT-SUNDRY-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
	       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   The -dpms option	disables DPMS (Energy Star) features.

       +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
	       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
	       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 pre-
	       ceding dash.  ``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.  If the X server supports
	       the  XKEYBOARD  (XKB)  extension, leds may be referenced	by the
	       XKB indicator name by specifying	the `named'  keyword  and  the
	       indicator name.	 For example, to turn on the Scroll Lock LED:

	       xset led	named "Scroll Lock"

       mouse   The  m option controls the mouse	parameters; it may be abbrevi-
	       ated to 'm'. Of course, it applies to  most  pointing  devices,
	       not  just  mice.	 The  parameters  for  the pointing device are
	       `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
	       settings.

       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.org 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 X.org 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-
	       board.

	       If  the	server supports	the XFree86-Misc extension, or the XKB
	       extension, then a parameter of 'rate' is	accepted and should be
	       followed	 by  zero, one or two numeric values. The first	speci-
	       fies the	delay before autorepeat	starts and the	second	speci-
	       fies the	repeat rate.  In the case that the server supports the
	       XKB extension, the delay	is the number of  milliseconds	before
	       autorepeat  starts,  and	 the rate is the number	of repeats per
	       second.	If the rate or delay is	not given, it will be  set  to
	       the default value.

       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
	       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.

       -version
	       The  -version option prints the program version and exits with-
	       out doing anything else.

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

AUTHOR
       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 <mharris@redhat.com>

X Version 11			  xset 1.2.3			       XSET(1)

NAME | SYNOPSIS | DESCRIPTION | OPTIONS | SEE ALSO | AUTHOR

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