From: Warren Toomey <wkt@henry.cs.adfa.edu.au>
Message-Id: <199901050530.QAA11231@henry.cs.adfa.edu.au>
Subject: Re: Why is csh `restricted'?
In-Reply-To: <199901050526.VAA19409@moe.2bsd.com> from "Steven M. Schultz" at "Jan 4, 1999  9:26:35 pm"
To: sms@moe.2bsd.com (Steven M. Schultz)
Date: Tue, 5 Jan 1999 16:30:25 +1100 (EST)
Cc: pups@minnie.cs.adfa.oz.au (Unix Heritage Society)
Reply-To: wkt@cs.adfa.oz.au
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In article by Steven M. Schultz:
> Warren -
> 
> > The csh was first released in 2bsd, and came with the copyright notice:
> > /* Copyright (c) 1979 Regents of the University of California */
> > So, can anybody tell me if, when and how did the sources to csh become
> > restricted, or if not, how this urban legend arose??
> 
> 	It is not that they "became" restricted.  They always "were" restricted
> 	because they were derived from the original Bell Labs (later AT&T)
> 	sources (code borrowed from /bin/sh).  All UNIX sources were, up until 
> 	you negotiated the deal with SCO, restricted.
> 
> 	Steven

I didn't know that any of the sources in 1979 2bsd were contaminated with
AT&T sources. I'll go and do a line comparison between V6 sh, V7 sh and
the 2bsd csh, and see if I can find any signs of contamination.

What else in the original 2bsd is contaminated?

Thanks!
	Warren