From owner-freebsd-security  Sat May 22  0: 2:36 1999
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Date: Sat, 22 May 1999 17:02:17 +1000
From: Bruce Evans <bde@zeta.org.au>
Message-Id: <199905220702.RAA05553@godzilla.zeta.org.au>
To: des@flood.ping.uio.no, patrick@mindstep.com
Subject: Re: secure deletion
Cc: darrenr@reed.wattle.id.au, freebsd-security@FreeBSD.ORG,
	gsutter@pobox.com, ilmar@ints.ru, imp@harmony.village.org,
	posix1e@cyrus.watson.org, wes@softweyr.com
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>> I agree with that last statement. An implementation on FreeBSD probably does
>> not need to write multiple times to the disk.
>
>Wouldn't work, anyway, unless you disable write caching (not just on
>the disk, but in the disk driver as well - no soft updates!).
>Otherwise, all passes but the last will be ignored, unless you wipe a
>really big file (too big to fit in cache).

man fsync

Bruce


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