Section 5 · File formats
proc_sysrq-trigger.5
Package: man-pages
proc_sysrq-trigger
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)