Date: Wed, 30 Apr 2014 17:22:59 +0100 From: "Steven Hartland" <killing@multiplay.co.uk> To: "Ian Lepore" <ian@FreeBSD.org>, "Eitan Adler" <eadler@FreeBSD.org> Cc: svn-src-head@FreeBSD.org, svn-src-all@FreeBSD.org, src-committers@FreeBSD.org Subject: Re: svn commit: r265132 - in head: share/man/man4 sys/dev/null Message-ID: <CF3018FC8A9641CE811D5F2211298F7D@multiplay.co.uk> References: <201404300620.s3U6Kmn6074492@svn.freebsd.org> <1398869319.22079.54.camel@revolution.hippie.lan>
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----- Original Message ----- From: "Ian Lepore" <ian@FreeBSD.org> To: "Eitan Adler" <eadler@FreeBSD.org> Cc: <src-committers@FreeBSD.org>; <svn-src-all@FreeBSD.org>; <svn-src-head@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 >> >> Log: >> 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 ...? Regards Steve
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