> On May 20, 2020, at 11:38 PM, Ray Jewhurst <raywjewhu...@gmail.com> wrote:
>
> I am trying to collect all the OSes that I can for the PDP-11 on Simh and I
> have noticed that there are a few missing.
Along those lines: is there MUMPS-11 anywhere? That's nicely obscure. Another
obscure one is CAPS-11, though that's probably far less interesting.
MUMPS was a database system, apparently a very good one. It was used as the
core for ASSIST-11, a telephone directory assistance database. In other words,
the database that 411 operators would consult to answer your request for a
phone number in a second or two. Database lookup in a million-record or so
database, in around a second, on a PDP-11 in 1978. Nice.
paul
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