Ultrix-11

[Jay Jaeger]

On 8/21/2021 10:50 PM, Jay Jaeger via cctalk 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 
>>> <cctech at 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.
> 
> JRJ

OOOPS.  Belay that.  Further reading of the SPD seems to imply that 
Ultrix-11 was simply an evolutionary step from V7m to support more 
hardware - notably the 11.73.

JRJ