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On Thursday 27 June 2002 07:08 am, C.Anne Wilson did speak unto the huddled 
masses, saying:

> > ALT-SYSRQ (screen print key)-R puts the keyboard in RAW mode
> > ALT-SYSRQ-S  syncs the disks
> > ALT-SYSRQ-B reboots

> Not sure I entirely understand.  Are you saying that these three commands
> will, between them, cause a timely and controlled shutdown?

yes they will, but they are basically a last resort.

from so web page somewhere that i don't recall....

"Alt" + "SysRq" + "r" puts the keyboard in 'raw' mode. Sometimes after only
this command you can try to kill the X server and all is well, if not,
press on.

"Alt" + "SysRq" + "s" attempts to write all unsaved data to disk ('sync' the
disk) to prevent file corruption.

"Alt" + "SysRq" + "e" sends a termination signal to all processes, that is
the same as killing every program running.

"Alt" + "SysRq" + "i" sends a kill signal to all processes. If any processes
are still running after the last key command this will clean up.

"Alt" + "SysRq" + "u" remounts all systems in read-only mode. This is to
prevent file system corruption.

"Alt" + "SysRq" + "b" reboots the system.

- -- 
Some software money can't buy. For everything else there's Micros~1.

shane
Profile at: http://dmoz.org/profiles/shen.html
Proud to be a DMOZ editor since 10-98
Mandrake Users Club Member http://www.linux-mandrake.com/en/club/
Registered linux user #101606 @ http://counter.li.org/
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