Path: utzoo!utgpu!jarvis.csri.toronto.edu!cs.utexas.edu!usc!zaphod.mps.ohio-state.edu!rpi!ccnysci!phri!cmcl2!adm!smoke!gwyn
From: gwyn@smoke.BRL.MIL (Doug Gwyn)
Newsgroups: comp.unix.questions
Subject: Re: partial finds
Message-ID: <11900@smoke.BRL.MIL>
Date: 7 Jan 90 04:46:53 GMT
References: <12847@cbnews.ATT.COM>
Reply-To: gwyn@brl.arpa (Doug Gwyn)
Organization: Ballistic Research Lab (BRL), APG, MD.
Lines: 4

In article <12847@cbnews.ATT.COM> res@cbnews.ATT.COM (Robert E. Stampfli,55216,cb,1C315,6148604268) writes:
>not found any combination of "! -name /u -a ! -name /usr/src" that worked.

You need to use PATTERNS for the names, not just PREFIXES.