From mboxrd@z Thu Jan  1 00:00:00 1970
Date: Wed, 16 Nov 1994 20:21:19 -0500
From: philw@plan9.research.att.com philw@plan9.research.att.com
Subject: bind vs pwd
Topicbox-Message-UUID: 045e267e-eac8-11e9-9e20-41e7f4b1d025
Message-ID: <19941117012119.doVlA20DsdokUWGgZhmBMHievH9ns7MbBt8n6zt8NJQ@z>

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.