Unix, Xenix and ODT General FAQ
This article is from a FAQ concerning SCO operating
systems. While some of the information may be applicable to any OS,
or any Unix or Linux OS, it may be specific to SCO Xenix, Open
There is lots of Linux, Mac OS X and general Unix info elsewhere on
this site: Search this site is the best
way to find anything.
This is an ancient post with no relevance to modern systems.
Unix (and Xenix 2.3.4) have a built-in screen saver for VGA
only. You have to reconfigure the kernel for this to work. It
doesn't work with all hardware, but try it first. Also, it has been
reported that VP/ix may not be compatible with this screen saver.
To enable the screensaver, set the kernel variable TBLNK to
the number of seconds of inactivity which should trigger the
screensaver, relink, and reboot.
Unixware users may use "vtblank" to dynamically set and adjust
the screen saver time
If you're operating under X-windows you can use the PD program
xscreensaver; it comes with dozens of very nice screen savers you
can install on your system. You can find the 'xscreensaver' program
on the Skunkware CD-ROM; alternatively you can use the xlockmore
program, also available on the same CD-ROM.
For Linux users, the console screen saver/blanker is usually
enabled by default, but some people like to shut it off, which can
be done with
setterm -blank or
setterm -blank 0
Changing the 0 to some other number turns blanking back on after
that many minutes. The "setterm" command controls many other
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