Name
/proc/sysrq-trigger - SysRq functionDescription
/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)