From Magic SysRq key
| Action | QWERTY | Dvorak | AZERTY |
|---|---|---|---|
| Set the console log level, which controls the types of kernel messages that are output to the console | 0 through 9 | 0 through 9 | 0 through 9 (without using shift) |
| Immediately reboot the system, without unmounting partitions or syncing | b | x | b |
| Reboot kexec and output a crashdump | c | j | c |
| Display all currently held Locks | d | e | d |
| Send the SIGTERM signal to all processes except init (PID 1) | e | . | e |
| Call oom_kill, which kills a process to alleviate an OOM condition | f | u | f |
| When using Kernel Mode Setting, provides emergency support for switching back to the kernel's framebuffer console[1] | g | i | g |
| Output a terse help document to the console Any key which is not bound to a command should also do the trick |
h | d | h |
| Send the SIGKILL signal to all processes except init | i | c | i |
| 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 | k |
| Show a stack backtrace of all currently executing tasks | l | n | l |
| Output current memory information to the console | m | m | , |
| Reset the nice level of all high-priority and real-time tasks | n | b | n |
| Shut off the system | o | r | o |
| Output the current registers and flags to the console | p | l | p |
| Display all active high-resolution timers and clock sources. | q | ' | a |
| Switch the keyboard from raw mode, the mode used by programs such as X11 and svgalib, to XLATE mode | r | p | r |
| Sync all mounted filesystems | s | o | s |
| Output a list of current tasks and their information to the console | t | y | t |
| Remount all mounted filesystems in read-only mode | u | g | u |
| Output Voyager SMP processor information | v | k | v |
| Display list of blocked (D state) tasks | w | , | z |