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From: gwyn@brl-tgr.ARPA (Doug Gwyn <gwyn>)
Newsgroups: net.unix-wizards
Subject: Re: 4.2bsd Oddity (BUG?)
Message-ID: <798@brl-tgr.ARPA>
Date: Tue, 17-Dec-85 17:42:18 EST
Article-I.D.: brl-tgr.798
Posted: Tue Dec 17 17:42:18 1985
Date-Received: Wed, 18-Dec-85 05:50:18 EST
References: <721@brl-tgr.ARPA> <729@brl-tgr.ARPA> <1023@munnari.OZ>
Organization: Ballistic Research Lab
Lines: 10

> > The owner of the parent directory should be able to "mv"
> > the subdirectory elsewhere ...
> 
> I assume that Doug chose the words "should be able" very carefully.

Actually, not as carefully as I should have.  It would make
sense for kernels (such as 4.2BSD) that have direct support
for manipulating directories to provide a rename() system
call that allows this, or for set-UID mv/mvdir utilities to
allow this, but it doesn't surprise me that they don't.