RL02 version of UNIX6?

Paul Koning paulkoning at comcast.net
Fri Feb 3 07:22:36 CST 2017

> On Feb 2, 2017, at 11:19 PM, william degnan <billdegnan at gmail.com> wrote:
> ...
> I am curious to see  what OS's run on an 11/40 without the EIS card other
> than RT-11.  I am researching this.  I have always wanted to learn more
> about batch-11.

You mean DOS/BATCH?  Yes, that would run on that machine, it's an 11/20 OS.  So would the pre-Batch version of DOS-11 (V4).

Another OS that would run on your machine (as well as an 11/20) would be RSTS-11 (V4, or I suppose V3 if you can find that), the predecessor of RSTS/E that didn't use the MMU.

It may be that some flavors of RSX-11/M or /S can be built with no EIS, since it's supposed to be possible to build a non-MMU version at least of /S.  But I don't know the specifics (no RSX experience).


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