On Tue, 2018-05-29 at 17:30 +1000, Nigel Williams via cctalk wrote: > On Tue, May 29, 2018 at 1:27 AM, Al Kossow via cctalk > <cctalk@classiccmp.org> wrote: > > I have 11D on bitsavers. > > this is actually RSX-11D? http://bitsavers.org/bits/DEC/pdp11/magtapes/ias/
As I recall, IAS ("Interactive Applications System") was a timesharing environment layered on top of RSX-11D. When I was working with RSX-11D many years ago, I heard the opinion expressed (maybe by DEC field service?) that RSX-11D was a pig, and IAS was an elephant on a pig's back.