[tz] Old timestamps on files

Garrett Wollman wollman at csail.mit.edu
Sun Dec 30 01:08:14 UTC 2018

On December 29, 2018 7:27:48 PM EST, Antonio Diaz Diaz <antonio at gnu.org> wrote:
>Clive D.W. Feather wrote:
>> I also have a number of files dated 1980-01-01 with a range of times,
>but I'm
>> a bit more suspicious about them. Though since they are Infocom games
>> might be genuine.
>I have a number of files dated 1980-01-01 (copied from 5 1/4 floppies),
>but those that I have been able to verify are really newer.

1980-01-01 is the (PC|MS)-DOS epoch. Early PCs did not have a battery backed clock, and so every boot would require manually setting the clock -- and many people did not bother to do so, hence timestamps of that date are not to be trusted.


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