invoked from a Xen paravirtual console by sending a break sequence followed by the desired key. Chromebooks have a keyboard but no dedicated SysRq key. They use () instead, however some keys have a different function. IBM Power Systems servers can invoke the Magic SysRq feature using followed by the desired key from the Hardware Management Console. IBM mainframe partitions can invoke the Magic SysRq feature using followed by the desired key on 3270 or HMC console. See also Stop-A, key sequence used to access Sun Microsystems's Open Firmware (OpenBoot) Console server KVM switch System console References External links Mnemonics Linux kernel features System administration Out-of-band management