Relay-Version: version B 2.10 5/3/83; site utzoo.UUCP
Path: utzoo!watmath!clyde!cbosgd!ihnp4!oddjob!mrl
From: mrl@oddjob.UUCP (Scott R. Anderson)
Newsgroups: net.unix,net.unix-wizards
Subject: Re: Unix History
Message-ID: <1345@oddjob.UUCP>
Date: Tue, 10-Jun-86 02:07:07 EDT
Article-I.D.: oddjob.1345
Posted: Tue Jun 10 02:07:07 1986
Date-Received: Sat, 14-Jun-86 00:40:53 EDT
References: <212@butler.UUCP> <6780@utzoo.UUCP>
Reply-To: mrl@oddjob.UUCP (Scott R. Anderson)
Organization: University of Chicago, Department of Physics
Lines: 17
Xref: watmath net.unix:8093 net.unix-wizards:18343

In article <6780@utzoo.UUCP> henry@utzoo.UUCP (Henry Spencer) writes:
>> Could anyone give me a short run down on lineage
>> of the major lines of UNIX? Perhaps a brief narration 
>> or a family tree showing how sys V and 4.3 and such 
>> are all related...
>
>Between V6 and V7, draw a branch starting out "PWB" and
>proceeding on through "SysIII" and "SysV" to "SysV.3.2.4.etc".

This raises the burning question:  whatever happened to
Systems I and II, and, especially, IV?  I never hear them
discussed.  Were they ever released commercially, and if
not, why not?
-- 

					Scott Anderson
					ihnp4!oddjob!kaos!sra