Norman Wilson scripsit:

> I think the P/OS, the standard OS shipped with those systems, was a
> hacked-up RSX-11M.

Several sources agree that it was, and speak of a menu shell.

> I don't know whether there was ever an RT-11 for the Pro.

<http://www.vintage-computer.com/dec_pro_350.shtml> claims that
RT-11 ran: whether stock or modified, the page doesn't say.  This
is confirmed by a squib in InfoWorld 6:23 (June 4, 1984) on p. 84
<http://books.google.com/books?id=vi4EAAAAMBAJ&pg=PA84>, which also
speaks of a V7 derivative called VII-M.  Venix 2.0 (aka System III) was
definitely available.

--
John Cowan          http://www.ccil.org/~cowan        cowan@ccil.org
Evolutionary psychology is the theory that men are nothing but horn-dogs,
and that women only want them for their money.  --Susan McCarthy (adapted)
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