[Info-vax] Which symbol to use for VMS?

[David Froble]

Bill Gunshannon wrote:
> In article <mlfbla$ok5$1 at dont-email.me>,
> 	David Froble <davef at tsoft-inc.com> writes:
>> Bill Gunshannon wrote:
>>> In article <mleovu$1j1$1 at panix2.panix.com>,
>>> 	kludge at panix.com (Scott Dorsey) writes:
>>>> Bill Gunshannon <billg999 at cs.uofs.edu> wrote:
>>>>> I wonder which has more systems, both production and hobbyist, PDP-11's
>>>>> (which had three OSes to choose from) or the VMS Systems (which has 3
>>>>> hardware platforms.)
>>>> The Vax systems had plenty of OS choices too.  You could purchase officially
>>>> supported from DEC your choice of VMS, VaxELN, or Ultrix-32.  There were some
>>>> third-party systems too, like the UCSD P-System, S-1, and I think Pick.
>>>> So there are plenty of choices any way you go.
>>>> --scott
>>> The PDP-11 had others, I was mostly interested in the DEC OSes.
>>>
>>> But if we are adding for completeness, UCSD-Pascal, Ultrix-11, BSD Unix,
>>> AT&T Unix, XINU :-)  And there were others, too, I am sure.
>>>
>>> Oh, and there was another from DEC that I think would have been in the same
>>> class as VAXELN.  It was called IAS, I think.  But I know of no copies of it
>>> still inexistence.  At least I have never been able to get a copy anywhere.
>>>
>>>
>>> Another one, from DEC, DSM (Digital Standard Mumps).  I have a copy of that
>>> around here somewhere.
>>>
>>> And then there was CP/M for the VAX.
>>>
>>> Lot's to choose from, but, as I said, I was mostly interested in the DEC
>>> OS usage.  Actually, I would bet that Unix use ate into VMS use much more
>>> than it did any of the PDP-11 OSes. 
>>>
>>> bill
>>>
>> DEC/s DOS for PDP-11
> 
> Was PDP-11 DOS ever offered as a product?  I certainly never saw it if
> it was.  The only real experience I have with it is as the underlying
> OS on XXDP.
> 
> bill
> 

Don't know.

It was used, at least on earlier versions of RSTS to gen the RSTS OS.