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From: gwyn@brl-smoke.ARPA (Doug Gwyn )
Newsgroups: comp.unix.wizards
Subject: Re: BSD to SysV
Message-ID: <6622@brl-smoke.ARPA>
Date: Fri, 30-Oct-87 02:07:37 EST
Article-I.D.: brl-smok.6622
Posted: Fri Oct 30 02:07:37 1987
Date-Received: Wed, 4-Nov-87 05:49:51 EST
References: <9940@brl-adm.ARPA> <31892@sun.uucp> <1596@u1100a.UUCP>
Reply-To: gwyn@brl.arpa (Doug Gwyn (VLD/VMB) <gwyn>)
Organization: Ballistic Research Lab (BRL), APG, MD.
Lines: 7

In article <1596@u1100a.UUCP> dbg@u1100a.UUCP (D B Grooms) writes:
-For efficiency, it would be better to "mv" the original file to one with a 
-new name, "creat" the original file, and copy the desired size from the 
-newly named file to the original.  This involves only one copy operation
-instead of two.

But it completely scrogs the inode attributes (owner, mode, i-number, etc.).