Article View: comp.sys.ibm.pc.misc
Article #8735Re: Who the hell wrote CP/M?
From: David Ambrose
Date: Mon, 01 Apr 1991 19:52
Date: Mon, 01 Apr 1991 19:52
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In article <1991Mar28.053026.27936@slate.mines.colorado.edu> jedelen@slate.mines.colorado.edu (Jeff Edelen) writes:
>In article <94uwy2w163w@shark.cs.fau.edu> rob.bbs@shark.cs.fau.edu (Robert Rittenhouse) writes:
>>jdb@reef.cis.ufl.edu (Brian K. W. Hook) writes:
>>
>>> 1. CP/M was written by Gary Kildall.
>>> 2. CP/M was written by DRI
>>> 3. DRI is NOT related to DEC (Digital Equipment Corporation)
>>>
>>> If I am in err, pleae let me know.
>>>
>>You are correct. Gary Killdall, (Intergalactic) Digital Research Inc.
>>CP/M was loosely based on a DEC PDP-11 OS (I think RSTS) tho.
>
>I always thought it was based on TOPS. I've never used TOPS, but I have used
>RSTS, and can't believe it's based on that.
>
CP/M was loosely based on DEC's RT-11 Operating system (version 2).
Later versions of RT-11 had a more humane interface.
Both systems are decidedly minimalist. :-)
--
Play it cool; play it cool; fifty-fifty fire and ice -- Joni Mitchell
David L. Ambrose, -- Digital Research, Inc dambrose@pan.dri.com
Don't blame DRI. They wouldn't approve of this anyway.
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Path: arc1-ca.pugleaf.net!utzoo!utgpu!news-server.csri.toronto.edu!rpi!zaphod.mps.ohio-state.edu!sdd.hp.com!spool.mu.edu!uunet!drivax!dambrose From: dambrose@dri.com (David Ambrose) Newsgroups: comp.sys.ibm.pc.misc,comp.os.msdos.programmer Subject: Re: Who the hell wrote CP/M? Message-ID: <NY4ZS4P@dri.com> Date: 1 Apr 91 19:52:50 GMT Article-I.D.: dri.NY4ZS4P References: <27478@uflorida.cis.ufl.EDU> <94uwy2w163w@shark.cs.fau.edu> <1991Mar28.053026.27936@slate.mines.colorado.edu> Organization: Steppenwolf's Magic Theater Lines: 26