How to shutdown a computer instantly (1 to 5 secs) without using a physical switch/socket?

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Track title: CC I Beethoven Sonata No 31 in A Flat M

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Chapters
00:00 Question
01:52 Accepted answer (Score 41)
02:01 Answer 2 (Score 28)
04:36 Answer 3 (Score 22)
11:37 Answer 4 (Score 7)
11:56 Thank you

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Full question
https://superuser.com/questions/108704/h...

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Tags
#linux #commandline #shutdown

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