From mboxrd@z Thu Jan  1 00:00:00 1970
From: jmk@plan9.bell-labs.com
To: 9fans@cse.psu.edu
Subject: Re: [9fans] mv vs cp
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Date: Sun,  7 Oct 2001 12:23:59 -0400
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As Dave points out, there are a lot of balls in the air during
an atomic 'rename'. 4.2BSD introduced the 'rename' system call,
and as an alpha/beta tester for 4.1[abc] and 4.2BSD I can testify
to how long it took to get it right and how much ugly code was
involved.

--jim