On Sun, Sep 14, 2014 at 11:09 AM, Brandon Allbery <allber...@gmail.com>
wrote:

> If you can find an OS API that supports it, there's nothing preventing
> their use. For that matter, I once worked with a System III that would
> happily allow root to replace . and ..


And in a similar vein, HFS+ allows hard links to directories, which is a
good way to confuse your filesystem on must Unixes (and therefore prevented
by the OS). OS X also allows use of this feature(?), but may restrict it in
recent versions.

-- 
brandon s allbery kf8nh                               sine nomine associates
allber...@gmail.com                                  ballb...@sinenomine.net
unix, openafs, kerberos, infrastructure, xmonad        http://sinenomine.net
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