From mboxrd@z Thu Jan 1 00:00:00 1970 From: lm@mcvoy.com (Larry McVoy) Date: Mon, 6 Mar 2017 15:53:19 -0800 Subject: [TUHS] Source code abundance? In-Reply-To: <20170306234846.GX16343@mcvoy.com> References: <58BDF199.4070302@gewt.net> <97090944dff12bae96d89cf2e976cfec90d4630b@webmail.yaccman.com> <20170306234846.GX16343@mcvoy.com> Message-ID: <20170306235319.GA3819@mcvoy.com> Yeah, the wikipedia page talks about Dennis. And the source is here: http://www.nesssoftware.com/home/mwc/source.php On Mon, Mar 06, 2017 at 03:48:46PM -0800, Larry McVoy wrote: > I'll bet anything this was Coherent, I remember the same story, I think > Dennis was involved as well. > > On Mon, Mar 06, 2017 at 03:44:32PM -0800, Steve Johnson wrote: > > I don't remember.???? In fact, I'm not sure I ever knew... > > > > Steve > > > > ----- Original Message ----- > > From: "Cory Smelosky" > > To: > > Cc:"TUHS main list" > > Sent:Mon, 06 Mar 2017 15:32:41 -0800 > > Subject:Re: [TUHS] Source code abundance? > > > > Steve Johnson wrote: > > > I can attest to at least one case where AT&T attempted to see > > whether > > > its Unix code had been stolen. A Unix look-alike came to AT&T's > > > attention, and they wanted to get a sense of whether the code had > > been > > > copied before bringing out the big legal guns. I was one of several > > > people asked to log into the system and see what I could figure > > out. > > > They particularly wanted me to look at their Yacc, because they > > assumed > > > that would be hard to duplicate. > > > > > > So I spent an interesting hour checking it out. The first thing I > > did > > > was to look to see whether some of my bugs or unadvertised features > > were > > > in the program, and they weren't. Then I threw a couple of > > difficult > > > cases at it, and found a couple of bugs in their code. And besides, > > it > > > was VERY slow. So I concluded it was a reimplementation. I gather > > > that was the consensus of others as well, and AT&T backed off. > > > > > > Steve > > > > > > > > > > Coherent? > > > > -- > --- > Larry McVoy lm at mcvoy.com http://www.mcvoy.com/lm -- --- Larry McVoy lm at mcvoy.com http://www.mcvoy.com/lm