From mboxrd@z Thu Jan  1 00:00:00 1970
From: lm@mcvoy.com (Larry McVoy)
Date: Mon, 26 Mar 2018 12:53:03 -0700
Subject: [TUHS] long lived programs (was Re: RIP John Backus
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On Mon, Mar 26, 2018 at 12:41:15PM -0400, Arthur Krewat wrote:
> On 3/26/2018 12:19 PM, Paul Winalski wrote:
> >  Unix, on the
> >other hand, has always struck me as being less concerned with backward
> >compatibility and more about innovation and experimentation.
> For Sun, it was quite the contrary.
> 
> It was normal to run binaries from SunOS on Solaris. For the longest time,
> the "xv" binary I used on SPARC hardware was compiled on SunOS. It's even an
> X-windows application, and the libraries work.

Yeah, Sun was very good about that.  You got smacked if you broke compat.