[tz] Posix time zone question

Petr Machata pmachata at redhat.com
Mon Jan 16 23:22:30 UTC 2012

Donald MacQueen <dmacq at erols.com> writes:

> But if posix/America/Detroit and America/Detroit are the same, what is
> the point of even having posix/America/Detroit?

X is whatever happens to be the default, right/X is explicitly with leap
seconds, posix/X is explicitly without them.

I seem to recall that identical zones are hardlinked, so having two (or
several) files like that only has an overhead of one inode.  At least on
Linux, I don't know how AIX works in this regard.


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