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Date:      Tue, 26 May 1998 14:17:24 -0700
From:      Mike Smith <mike@smith.net.au>
To:        Marc Nicholas <marc@hippocampus.net>
Cc:        freebsd-small@FreeBSD.ORG
Subject:   Re: FreeBSD licensing? 
Message-ID:  <199805262117.OAA01315@dingo.cdrom.com>
In-Reply-To: Your message of "Tue, 26 May 1998 17:32:19 EDT." <Pine.BSF.3.95.980526173205.9742B-100000@neuron.hippocampus.net> 

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> We want to use the FreeBSD kernel as the core of the operating system in
> upcoming product. What's the deal with licensing? Is it enough to display
> FreeBSD and UCB copyright messages?

Typically, the relevant clauses are:

 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
[... disclaimer ...]

You can meet this by including the relevant credits in your software
licence.  You may also be liable to buy Poul a beer (at your
discretion), should you meet him in a bar.

Be aware that some (optional) kernel components are GPL'd.  This 
basically covers:

 - ext2fs
 - the GPL math emulator
 - the digiboard driver

Using these components will infect your kernel with the GPL.

So the short answer is: give credit in your documentation.

-- 
\\  Sometimes you're ahead,       \\  Mike Smith
\\  sometimes you're behind.      \\  mike@smith.net.au
\\  The race is long, and in the  \\  msmith@freebsd.org
\\  end it's only with yourself.  \\  msmith@cdrom.com



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