RSTS/E and PDP 11/23

From: Ashley Carder <>
Date: Tue May 18 09:39:09 2004

In reading the factual portion of this RSTS birthday page, I noticed a
to a "History of RSTS" back in the mid-1980s. Does anyone have a copy of
or know what this reference contains? If such a thing exists, does anyone
where a copy can be obtained?


----- Original Message -----
From: "Paul Koning" <>
To: <>
Sent: Monday, May 17, 2004 3:23 PM
Subject: Re: RSTS/E and PDP 11/23

> >>>>> "Ashley" == Ashley Carder <> writes:
> Ashley> Paul, you probably know the answer to this. I've seen this
> Ashley> site before and wondered where the line is that separates
> Ashley> fact from fiction. Somewhere around 1990, obviously, but the
> Ashley> line has been craftily blurred by the author of this 100th
> Ashley> birthday thing. I have done studied my DEC / RSTS / PDP-11
> Ashley> history enough to pick out anything that is fictitious prior
> Ashley> to stuff in the early 90s. Is everything up to 1990 fact?
> >>>
> As far I can tell, yes, pretty much. That fits, because it was
> written for the 20th birthday bash.
> There may be some historical errors. For example, I don't know if
> RSTS has any relationship to IOX. I rather doubt it (but I've never
> seen the IOX sources, and I only barely glanced at the docs around 30
> years ago...) The cultural heritage is TSS-8, from what I've heard,
> though I can't confirm that from personal knowledge either.
> The change from .CIL to .SIL happened with RSTS V5B...
> TECO did appear -- as a real RTS, not as two Basic programs -- in
> V5A...
> Some of the fantasy items have a connection to reality:
> - There wasn't a Unix RTS, but Bob Fraser ported csh to RSTS.
> - Basic for RT11 supported line numbers up to 65532.
> - Directory and data cache can be displayed with SDA.
> paul
Received on Tue May 18 2004 - 09:39:09 BST

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