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From: alang@masscomp.UUCP
Newsgroups: comp.sys.ibm.pc
Subject: Re: Minor historical point: the origin of ms-dos
Message-ID: <1361@masscomp.UUCP>
Date: Mon, 26-Jan-87 18:45:31 EST
Article-I.D.: masscomp.1361
Posted: Mon Jan 26 18:45:31 1987
Date-Received: Wed, 28-Jan-87 05:36:17 EST
References: <8520@topaz.RUTGERS.EDU> <1270@cbmvax.cbmvax.cbm.UUCP> <14439@amdcad.UUCP> <104@tg.UUCP>
Reply-To: alang@masscomp.UUCP (Alan Groupe)
Organization: MASSCOMP - Westford, Ma
Lines: 6

CP/M has nothing to do with RSX-11.  RSX is inherently a multi-tasking
system.

CP/M appears to be an outgrowth of RT-11.  RT-11 was an outgrowth of
OS/8 on the PDP-8.  This brings things around full circle, since the
architecture of the 8086 is somewhere in between the PDP-8 and the PDP-11.