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From: ron@brl-sem.UUCP
Newsgroups: comp.sources.d
Subject: Re: Lions vs Bach texts (Was Re: Lions book)
Message-ID: <712@brl-sem.ARPA>
Date: Sat, 4-Apr-87 18:02:32 EST
Article-I.D.: brl-sem.712
Posted: Sat Apr  4 18:02:32 1987
Date-Received: Sun, 5-Apr-87 11:27:06 EST
References: <483@gouldsd.UUCP> <804@aw.sei.cmu.edu.sei.cmu.edu> <751@goanna.oz> <413@uhccux.UUCP>
Organization: Electronic Brain Research Lab
Lines: 19
Keywords: uucp AT&T Lions

In article <413@uhccux.UUCP>, martin@uhccux.UUCP (Brian Martin) writes:
> I just started reading the group.  Are you discussing the two John Lions
> booklets on the UNIX Level six source code published back in 1977 or so vs.
> the 1986 Maurice Bach book on the design UNIX OS?
> 

The Lions books were published as two volumes by Bell Labs.  Essentially
they split off the actuall source code into a second volume (I guess they
considered it more important than the commentary and hence wanted to limit
it further).  The books have a boiler plate that says they may be copied
under the terms of your UNIX license with Western.  Version 6 Unix licenses
permitted licensees to make copies of the manuals as long as the block
about copyright status of the manuals was reproduced (hence one copy that
I have is probably legal).

The book was also available in a single volume form that bears only the
Lions/UNSW copyright.

-Ron