[TUHS] 32V memory management: not quite V7 style swapping -- source code update

[Warner Losh]

On Sun, Jun 6, 2021, 12:36 PM Clem Cole <clemc at ccc.com> wrote:

> 4.2 had networking, 4.1 did not.   32V did not either.  I'm asking 32V vs
> 4.1
> ᐧ
>

My info is from the 4.2 time frame...

Warner

On Sun, Jun 6, 2021 at 2:30 PM Larry McVoy <lm at mcvoy.com> wrote:
>
>> BSD had networking.  Once you had that, you don't look back.  Sys V (and
>> prior) so far as I know, didn't get networking until Coherent did their
>> STREAMS stack that somehow ended up at Lachman - I ported it to a crazy
>> super computer and to SCO Unix.  SCO was pretty stock AT&T code and let
>> me tell you, it felt pretty crappy after having used BSD and then SunOS.
>> It was a giant step backwards.
>>
>> I just think the BSD folks were moving forward faster.  Rob with start
>> talking about cat waving its tail, I get it, not everything was better
>> but a lot was.  Solid networking that performed was very pleasant.
>>
>> On Sun, Jun 06, 2021 at 02:23:49PM -0400, Clem Cole wrote:
>> > Paul,
>> >
>> > You got me thinking and I'm curious if anyone really knows historically
>> how
>> > many sites ran a 32V system?   In those days (late 70s/early 80s) the
>> > universities that knew and and even many sites inside the Bell System,
>> the
>> > Vaxen I ran 4.1BSD (say the Marx's brothers at Whippany along with the
>> Vax
>> > in the underseas research lab were we put the AP I did for my thesis).
>> > There were a couple in Summit I know, and probably Homdel and I'm
>> guessing
>> > in some of the operating companies, but I never got the feeling 32V was
>> > popular.  The folks with Vaxen that I knew, if you were able to run BSD
>> > (4.1 and eventually 4.2), did.  Later on the only non-'pure-joy'
>> systems I
>> > knew were a couple of Ultrix systems because they wanted the support
>> from
>> > DEC and IIRC were using FORTRAN and wanted the DEC compiler which only
>> ran
>> > on Ultrix or VMS.  Inside of AT&T, I personally think I knew more folks
>> > with VMS (Fortran being the key anchor)  than those that ran 32V.
>> > ???
>>
>> --
>> ---
>> Larry McVoy                  lm at mcvoy.com
>> http://www.mcvoy.com/lm
>>
>
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