linux/shell: change a file's modify timestamp relatively?

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Chapters
00:00 Question
00:51 Accepted answer (Score 46)
01:11 Answer 2 (Score 13)
01:40 Answer 3 (Score 4)
02:05 Answer 4 (Score 2)
02:33 Thank you

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Full question
https://superuser.com/questions/122863/l...

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#linux

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