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XSET(1) 										  XSET(1)

       xset - user preference utility for X

       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|suspend|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]

       This program is used to set various user preference options of the display.

       -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 param-
	       eters 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	millisec-
	       onds.  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 speci-

       bc      The  bc	option controls bug compatibility mode in the server, if possible; a pre-
	       ceding 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 MIT-SUNDRY-NONSTANDARD protocol extension in order for this option to

       c       The c option controls key click.  This option can take an optional value,  a  pre-
	       ceding  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 specified.  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 recre-
	       ate 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 preceding 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 abbreviated 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, including 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

       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.
       Recommended `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 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.	Invoking with "-r", or "r off", will dis-
	       able 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 keyboard.

	       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  specifies  the  delay before autorepeat starts and the second
	       specifies the repeat rate.  In the case that the server supports  the  XKB  exten-
	       sion,  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.

       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 <mharris@redhat.com>

X Version 11				    xset 1.2.2					  XSET(1)
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