= Maqic SysRq Key =
Unter Linux gibt es die sogenannte Magic-SysRq-Taste. Damit ist es in vielen Situationen möglich ein eingefrorenes System erfolgreich herunterfahren. Weitere Details zur Nutzung finden sich im [http://de.wikipedia.org/wiki/Magische_S-Abf-Taste deutschen] und [http://en.wikipedia.org/wiki/Magic_SysRq_key englischen] Wikipedia-Artikel.

Die folgende Liste stammt aus der englischen Wikipedia und wurde um die Neo-Belegung ergänzt. 

|| Beschreibung || QWERTY || Neo ||
|| Set the console log level, which controls the types of kernel messages that are output to the console || '''0''' through '''9''' || '''0''' through '''9''' ||
|| Immediately reboot the system, without unmounting partitions or syncing || '''b''' || ''z''' ||
|| Reboot kexec and output a crashdump || '''c''' || '''ä''' || 
|| Display all currently held Lock (computer science)|Locks ||  '''d''' || '''a''' || 
|| Send the SIGTERM signal to all processes except init (Process identifier|PID 1) || '''e''' || '''l''' ||
|| Call oom_kill, which kills a process to alleviate an Out of memory|OOM condition || '''f''' || '''e''' ||
|| When using Kernel Mode Setting, provides emergency support for switching back to the kernel's framebuffer console<ref>[http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=79e539453b34e35f39299a899d263b0a1f1670bd DRM: i915: add mode setting support]</ref> || '''g''' || '''o''' ||
|| Output a terse help document to the console<br/>Any key which is not bound to a command should also do the trick || '''h''' || '''s''' ||
|| Send the SIGKILL signal to all processes except init || '''i''' || '''g''' ||
|| 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''' || '''r''' ||
|| Show a stack backtrace of all currently executing tasks || '''l''' || '''t''' ||
|| Output current memory information to the console || '''m''' || '''m''' ||
|| Reset the nice (Unix)|nice level of all high-priority and real-time tasks || '''n''' || '''b''' ||
|| Shut off the system || '''o''' || '''f''' ||
|| Output the current registers and flags to the console || '''p''' || '''q''' ||
|| Display all active high-resolution timers and clock sources. || '''q''' || '''x''' ||
|| Switch the keyboard from raw mode, the mode used by programs such as X11 and svgalib, to XLATE mode || '''r''' || '''c''' ||
|| Sync all mounted filesystems || '''s''' || '''i''' ||
|| Output a list of current tasks and their information to the console || '''t''' || '''w''' ||
|| Remount all mounted filesystems in read-only mode || '''u''' || '''h''' ||
|| Output Voyager SMP processor information || '''v''' || '''p''' ||
|| Display list of blocked (D state) tasks || '''w''' || '''v''' ||

Eine beliebte Tastenfolge ist REISUB, dessen Enstprechung  CLGIHZ in Neo ist. Eine Gedächtsnisbrücke für dieses Kürzel gibt es noch nicht. Vorschläge bitte direkt ergänzen.