RL02 version of UNIX6?

[John Forecast]

> On Feb 3, 2017, at 8:22 AM, Paul Koning <paulkoning at comcast.net> wrote:
> 
> 
>> 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).
> 
> 	paul
> 
It looks as though Bill only has RL02 drives on the 11/40 so that would rule out DOS/BATCH. One of the later 3.x releases of RSX-11M should be OK (4.x seems to have dropped unmapped support).

  John.