On Sat, Aug 21, 2021, 9:50 PM Jay Jaeger via cctalk <cctalk@classiccmp.org> wrote:
> On 8/17/2021 1:39 PM, Paul Koning via cctalk wrote: > > I thought V7M and Ultrix were entirely diferent and unrelated things. > > > > At least on the Pro, DEC released a betal version of the one (which I > tried when it came out) and then canceled it and replaced it by a release > of the other. I forgot which came first, other than that the beta was > really clunky. As in, a "vi" that didn't do real screen updates... > > > > paul > > > >> On Aug 17, 2021, at 2:16 PM, Al Kossow via cctech < > cct...@classiccmp.org> wrote: > >> > >> images up under > http://bitsavers.org/bits/DEC/pdp11/floppyimages/rx50/V7M-11-V1.0_6_USR_RX50-QJ083-H3.zip > > > > They are indeed different. V7m is based on 7th edition A&T UNIX, > whereas Ultrix was based in BSD. > Ultrix32 was based on 4BSD, but Ultrix-11 is very definitely v7m rebranded. Ultrix--11 2.0 did pull in some improvements from 2.9BSD, System III and System V, at least according to the SPD. Ultrix-11 3.0 pulled in networking from 2.10BSD (or 2.10BSD got it from Ultrix) at least based on source inspection. Warner JRJ >