Fix Unresponsive or Frozen Linux Computers Using Shortcuts

“A Magic SysRq Key lets you send some low level commands
independent of the system state. This means that if the system is
frozen you can use these key combinations to perform certain
actions and thus regain control. So what’s the magic? Well if
you are ever stuck with an unresponsive system try

Alt+PrintScreen+r+s+e+i+u+b.

Pheew! So how many hands do you need to do this? Or should you
use your toes?”

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