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Date:      Sun, 9 Mar 2003 22:21:02 -0800
From:      Murray Stokely <murray@FreeBSD.ORG>
To:        "Greg 'groggy' Lehey" <grog@FreeBSD.ORG>
Cc:        jared nied <jnied@southampton.liu.edu>, doc@FreeBSD.ORG
Subject:   Re: OS X vs. Darwin
Message-ID:  <20030309222102.G8642@freebsdmall.com>
In-Reply-To: <20030309220048.GD38342@wantadilla.lemis.com>; from grog@FreeBSD.ORG on Mon, Mar 10, 2003 at 08:30:48AM %2B1030
References:  <3464BCFE-4FD2-11D7-A6E7-000393BB8320@southampton.liu.edu> <20030308043937.M79531@freebsdmall.com> <20030309220048.GD38342@wantadilla.lemis.com>

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On Mon, Mar 10, 2003 at 08:30:48AM +1030, Greg 'groggy' Lehey wrote:
> Hmm.  I'll leave it for others to decide, but my understanding is that
> Darwin and the lower levels of Mac OS X are *not* identical, that you
> can't replace one with the other for example.  Is this correct?  If
> so, the text below as it stands is incorrect.

  The proposed change doesn't claim that they are identical.  It
sounds like you are objecting to this sentence :

"The BSD Unix core of this operating system, Darwin, is available as a
 fully functional open source operating system for x86 and PPC
 computers."

  The next sentence goes on to clarify that much of the Mac OS X code
is closed source and, implicitly, not in Darwin and not
interchangeable.

"The Aqua/Quartz graphics system and many other proprietary aspects of
 Mac OS X remain closed-source, however."

  I think this is a pretty clear and succinct way to state the
relationship between Darwin and Mac OS X.  If you can think of a
better way, please commit it.  In any case, we've cleared up the major
inaccuracy which was claiming that Darwin is just the kernel (XNU).

   - Murray

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