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NAME
       /proc/sysrq-trigger - SysRq function


DESCRIPTION
       /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 /proc/sys/kernel/sysrq).   This  file  is
              normally  writable  only  by root.  For further details see the Linux kernel source
              file Documentation/admin-guide/sysrq.rst (or Documentation/sysrq.txt  before  Linux
              4.10).


SEE ALSO
       proc(5)