1. (Probably from astronomical timekeeping) A term used originally in Unix documentation for the time and date corresponding to zero in an operating system's clock and time stamp values.
Under most Unix versions the epoch is 1970-01-01 00:00:00 GMT.
You may ask why you would want this...then you have never needed to get the difference between two points in clock time.
# Solaris 2.6 / 7 /usr/bin/truss /usr/bin/date 2>&1 | /usr/bin/awk '/^time/ {print $NF}' # Solaris 8 / 9 / 10 /usr/bin/perl -e 'printf "%d\n", time;' |
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