INTERACTIVE Systems Corp. (ISC) also ported a UNIX system to an early VAX 750 computer running DEC's VMS operating system starting in mid- 1978. ISC was in the business of porting the UNIX operating system to many different computer hardware architectures, mini-computers to mainframes, but the first complete UNIX system port was actually done to the DEC VMS system. We delivered the first UNIX on VMS system to a customer in the Fall of 1979.  Many of these systems were delivered to customers in North America as well as in Europe well into the mid-1980's. Heinz On 1/15/2021 6:29 PM, Warner Losh wrote: > > > On Fri, Jan 15, 2021 at 3:18 PM John Cowan > wrote: > > > > On Fri, Jan 15, 2021 at 3:14 PM Dave Horsfall > wrote: > > > Whose foray? Not DEC's.  Eunice was built at SRI and sold by > the > > Wollongong Group, who must have had Downundrian connections. > >  It was > originally developed ca. 1981 by David Kashtan at SRI[1] and later > maintained and marketed by The Wollongong Group.'' > > > Where's the disagreement? > > > Eunice post-dated DEC's first Unix offering by several years. They > sold V7 and later V7M before rebranding it to Ultrix. Eunice was > 4.1BSD (later 4.2 and 4.3) that Dr Kashtan grafted into VMS in ways > that... provoke strong feelings among reviewers...  The TCP/IP stack > that was inside of Eunice would form the basis for Wollongong's TCP/IP > offerings on VMS... A more refined version, also done I think by > Kashtan, was marketed by TGV and there was always much rivalry between > the two companies... > > Wollongong got its license because they were the marketing company > formed to market Dr. Miller's port to Interdata, and they later > branched out significantly because their license was so special...  Or > at least that's the story they told customers and internally... I > never saw the original license to know... > > Warner