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I want to change all files in directory creation/modification date to 0/0/0.

I tried to use find $PWD -exec touch -m -d '0/0/0' {} + command.

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    UNIX Epoch time starts from 01/01/1970, there is no 0/0/0. Commented Feb 21, 2021 at 18:15
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    Why is it works at 1/1/1? Commented Feb 21, 2021 at 18:24
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    What's 0/0/0 supposed to mean? There is no day/month/year 0 (while 1/1/1 does make sense). Commented Feb 21, 2021 at 18:51
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    This is dependent on file system. Some older file systems have a 32-bit time, giving ISO format 1970-01-01T00:00:00 to 2038-01-19T03:14:07. But ext4 (for example) does a huge range, but still based at 1970, so your "zero" date stores as -62167219125 seconds. TZ/DST info is a bit sparse in that era, so a few hours off can be expected. Commented Feb 21, 2021 at 23:10

1 Answer 1

Reset to default
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There is no day number 0 in a month and there is no month 0 in a year. Days and months start from 1.

Try one of these instead:

touch -d '1/1/0 0:0' foo touch -t 000001010000 bar
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  • I know, but I think it's possible to change creation/modification date to 0/0/0. Commented Feb 22, 2021 at 4:51
  • You thing it's possible nevertheless? This is a good start @ArianKG. Now you've got to give a meaning to a date like 0/0/0, and then to propose patches so that this meaning is understood by commands like date, touch, etc. Commented Feb 22, 2021 at 10:59

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