Use the Magic SysRq Key on Linux to Fix Frozen X Servers, Cleanly Reboot, and Run Other Low-Level Commands – How-To Geek Nick 12 years ago Use the Magic SysRq Key on Linux to Fix Frozen X Servers, Cleanly Reboot, and Run Other Low-Level Commands – How-To Geek. Share this: Stupid Geek Tricks: Watch Movies in Your Linux Terminal Window – How-To GeekDateFebruary 15, 2012In relation toLinuxGreat Linux Cheat SheetDateMay 5, 2014In relation toLinuxWorking with ISO from the Linux Command LineDateAugust 1, 2011In relation toArch