[Info-vax] OpenVMS 35th anniversary
Bob Koehler
koehler at eisner.nospam.encompasserve.org
Thu Oct 4 09:26:23 EDT 2012
In article <k4jnq5$hp6$1 at Iltempo.Update.UU.SE>, Johnny Billquist <bqt at softjar.se> writes:
>
> Not that I would know the details, Rich, but RSX have never been able to
> run on a VAX. The PDP-11 compatibility mode on a VAX don't extend past
> user mode.
True. However in VMS 1.x, when you typed in DIRECTORY, you got an
output identical to what you got by typing MCR PIP /LI.
So it felt a lot like RSX.
>
> User space CUSPs and languages in VMS was pretty much RSX-11M for the
> first couple of years, though.
>
> Johnny
>
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