NAME
screenblank —
screen saver daemon for
wscons and FBIO machines
SYNOPSIS
screenblank |
[-k | -m]
[-d
inactivity-timeout]
[-e
wakeup-delay]
[-f
framebuffer]
[-i
input-device] |
DESCRIPTION
screenblank disables the framebuffer if the keyboard and mouse
are idle for a period of time, and re-enables the framebuffer when keyboard or
mouse activity resumes.
When killed with a SIGINT, SIGHUP, or SIGTERM,
screenblank
will re-enable the framebuffer. The pid can be found in the file
/var/run/screenblank.pid.
The options are as follows:
-
-
- -b
- Overriding the other options, simply try (once) to blank
the framebuffer, then exit.
-
-
- -d
inactivity-timeout
- Wait the number of seconds specified by
inactivity-timeout, expressed in the format
“xxx.xxx”, before disabling the framebuffer due to inactivity.
The default is 600 seconds (10 minutes).
-
-
- -e
wakeup-delay
- Wait the number of seconds specified by
wakeup-delay, expressed in the format
“xxx.xxx”, before re-enabling the framebuffer once activity
resumes. The default is .25 seconds.
-
-
- -f
framebuffer
- Use the framebuffer device
framebuffer instead of the default
/dev/fb.
-
-
- -i
input-device
- Add input-device to the list of
devices to monitor for activity.
-
-
- -k
- Do not check the keyboard for activity.
-
-
- -m
- Do not check the mouse for activity.
-
-
- -u
- Overriding the other options, simply try (once) to unblank
the framebuffer, then exit.
Note that the
-k and
-m flags are mutually
exclusive.
FILES
-
-
- /dev/kbd
- The keyboard device.
-
-
- /dev/mouse
- The mouse device.
-
-
- /dev/console
- The console device.
-
-
- /dev/fb
- The default framebuffer.
-
-
- /dev/wskbd
- The keyboard for wscons machines.
-
-
- /dev/wsmouse
- The mouse device for wscons machines.
-
-
- /dev/ttyE0
- The console device for wscons machines.
-
-
- /var/run/screenblank.pid
- File containing the pid of
screenblank.