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Magic SysRq key
In the Linux kernel, a mnemonic to remember the Magic SysRq key sequence for safe reboot. unRaw / tErminate / kIll / Sync / Unmount / reBoot

 Mnemonic:
Raising Elephants Is So Utterly Boring.

 Mnemonic:
Reboot Even If System Utterly Broken.

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More mnemonics in this category

PCMCIA
Personal Computer Memory Card International Association "People Can't Memorize Computer Industry Acronyms"
Protocol data units
The protocol data units (PDUs) for the OSI model are Data, Segment, Packet, Frame, Bit Do Some People Fear Binary?
Seven layers of the OSI Model
There are many mnemonics for the seven layers of the OSI Model in computing. Physical / Data Link / Network / Transport / Session / Presentation / Application. Because the layers are numbered from the bottom-up, many mnemonics have been developed in both directions, from the top down and from the bottom up: People Desperately Need To See Pamela Anderson. Please Do Not Throw Sausage/Salami Pizza Away - starts at layer 1 (the bottom),
Shorthand selector versions in CSS
In CSS, the order of the shorthand versions of some selectors like border, padding, and margin: Top, Right, Bottom, Left TRouBLe
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