svn commit: r265132 - in head: share/man/man4 sys/dev/null
killing at multiplay.co.uk
Wed Apr 30 16:23:06 UTC 2014
----- Original Message -----
From: "Ian Lepore" <ian at FreeBSD.org>
To: "Eitan Adler" <eadler at FreeBSD.org>
Cc: <src-committers at FreeBSD.org>; <svn-src-all at FreeBSD.org>; <svn-src-head at FreeBSD.org>
Sent: Wednesday, April 30, 2014 3:48 PM
Subject: Re: svn commit: r265132 - in head: share/man/man4 sys/dev/null
> On Wed, 2014-04-30 at 06:20 +0000, Eitan Adler wrote:
>> Author: eadler
>> Date: Wed Apr 30 06:20:48 2014
>> New Revision: 265132
>> URL: http://svnweb.freebsd.org/changeset/base/265132
>> Add a /dev/full device.
>> /dev/full is similar to /dev/zero except it always returns
>> ENOSPC when you attempt to write to it.
> For some reason this reminded me of something I've been wanting for a
> while but never get around to writing... /dev/ones, it's just
> like /dev/zero except it returns 0xff bytes. Useful for dd'ing to wipe
> out flash-based media.
Surely for that you want camcontrol security ...?
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