Table of Contents

SysReq stuff

Magic Reboot Command

Other Commands

Action QWERTY Dvorak
Set the console log level, which controls the types of kernel messages that are output to the console 0-9 0-9
Immediately reboot the system, without unmounting partitions or syncing b x
Reboot kexec and output a crashdump c j
Display all currently held Locks d e
Send the SIGTERM signal to all processes except init (PID 1) e .
Call oom_kill, which kills a process to alleviate an Out of memory condition f u
When using Kernel Mode Setting, provides emergency support for switching back to the kernel's framebuffer console g l
Output a terse help document to the console. Any key which is not bound to a command should also perform this action h d
Send the SIGKILL signal to all processes except init l c
Kill all processes on the current virtual console (Can be used to kill X and svgalib programs, see below) This was originally designed to imitate a Secure Access Key k t
Output current memory information to the console m m
Reset the nice level of all high-priority and real-time tasks n b
Shut off the system o r
Output the current registers and flags to the console p l
Display all active high-resolution timers and clock sources. q '
Switch the keyboard from raw mode, the mode used by programs such as X11 and svgalib, to XLATE mode r p
Sync all mounted filesystems s o
Output a list of current tasks and their information to the console t y
Remount all mounted filesystems in read-only mode u g
Output Voyager SMP processor information v k
Display list of blocked (D state) tasks w ,