Xref: utzoo comp.sys.ibm.pc.misc:8095 comp.os.msdos.programmer:4382 Path: 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: 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 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.