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Subject: Re: svn commit: r265132 - in head: share/man/man4 sys/dev/null
From: Ian Lepore <ian@FreeBSD.org>
To: Eitan Adler <eadler@FreeBSD.org>
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Date: Wed, 30 Apr 2014 08:48:39 -0600
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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.

-- Ian