man > proc_sysrq-trigger(5)

proc_sysrq-trigger(5)                    File Formats Manual                   proc_sysrq-trigger(5)

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  nor‐
              mally  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)

Linux man-pages 6.7                          2023-08-15                        proc_sysrq-trigger(5)