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proc.5: Document /proc/sysrq-trigger 

Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
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Michael Kerrisk 2009-03-31 07:04:27 +13:00
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@ -2503,6 +2503,15 @@ The default value is 0.
1 and 2 are for failover of clustering.
Select either according to your policy of failover.
.TP
.IR /proc/sysrq-trigger " (since Linux 2.4.21)"
Writing a character to this file triggers the same SysRq function as
typing ALT-SysRq-<character> (see the description of
.IR /proc/sys/kernel/sysrq ).
This file is normally only writable by
.IR root .
For further details see the kernel source file
.IR Documentation/sysrq.txt .
.TP
.I /proc/sysvipc
Subdirectory containing the pseudo-files
.IR msg ", " sem " and " shm "."