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SCREENBLANK(1)              General Commands Manual             SCREENBLANK(1)



NAME
       screenblank - turn off the screen when the mouse and keyboard are idle

SYNOPSIS
       screenblank  [  -m ] [ -k ] [ -d interval ] [ -e interval ] [ -f frame-
       buffer ]

DESCRIPTION
       screenblank turns off the display when the mouse and keyboard are  idle
       for  an  extended period (the default is 10 minutes).  screenblank will
       continue to run until killed by hand, using `kill processid'.

       Place the screenblank command in your /etc/rc.local file.

OPTIONS
       -m     Do not check whether the mouse has been idle.

       -k     Do not check whether the keyboard has been idle.

       -d interval
              Disable after interval seconds.  interval is  a  number  of  the
              form  xxx.xxx  where each x is a decimal digit.   The default is
              600 seconds (10 minutes).

       -e interval
              Enable within interval seconds.  interval is  the  time  between
              successive  polls  for  keyboard  or  mouse activity.  If a poll
              detects keyboard or mouse  activity,  the  display  is  resumed.
              interval  is a number of seconds, of the form xxx.xxx where each
              x is a  decimal digit.  The default is 0.25 seconds.

       -f frame-buffer
              frame-buffer is the path name of the frame-buffer on which video
              disabling/enabling applies.  The defaults is /dev/fb.

FILES
       /dev/fb

SEE ALSO
       lockscreen(1), sunview(1)

BUGS
       screenblank  only  checks  /dev/console for activity; it does not check
       non-window programs from /dev/tty which bypass /dev/console  .   Conse-
       quently,  screenblank  will  turn  off the display if /dev/tty programs
       (for example, pixrect-based programs) are the only ones running.

       When not running sunview(1), only the RETURN key resumes video display.



                               9 September 1987                 SCREENBLANK(1)