# proc_sysrq-trigger - SysRq function - man(5) - [phpMan]

[_proc_sysrq-trigger_(5)](https://www.chedong.com/phpMan.php/man/procsysrq-trigger/5/markdown)                    File Formats Manual                   [_proc_sysrq-trigger_(5)](https://www.chedong.com/phpMan.php/man/procsysrq-trigger/5/markdown)

## 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)](https://www.chedong.com/phpMan.php/man/proc/5/markdown)

Linux man-pages 6.7                          2023-08-15                        [_proc_sysrq-trigger_(5)](https://www.chedong.com/phpMan.php/man/procsysrq-trigger/5/markdown)