svn commit: r265132 - in head: share/man/man4 sys/dev/null

[Steven Hartland]

----- 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
>> 
>> 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