From mboxrd@z Thu Jan  1 00:00:00 1970
Date: Thu, 17 Nov 1994 14:35:45 -0500
From: Scott Schwartz schwartz@galapagos.cse.psu.edu
Subject: bind vs pwd
Topicbox-Message-UUID: 046d3f38-eac8-11e9-9e20-41e7f4b1d025
Message-ID: <19941117193545.v6j1ECdxX5aT92k2HR_6swNLzVAmoN2NzZzM9HGDuhc@z>

Phil writes:
| pwd may give either answer.  there is no way of remembering how you
| got somewhere because the mount table is stored by a hash. So '..'
| searches through the table and gives you the first answer.

I was caught by this when I tried to tar up my home directory and my
bin and tmp both sent tar rampaging through the filesystem.  This is
even trickier than symbolic links.