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Age checks creep into Linux as systemd gets a DOB field
(www.theregister.com)
This is a most excellent place for technology news and articles.
Why
That's the Unix Epoch. The time and date in Linux and Unix is the number of seconds since then.
That's the default time when the CMOS battery is dead and the RTC is reset.
It is the beginning of cataclysm-simulation_67