Path: utzoo!attcan!utgpu!jarvis.csri.toronto.edu!mailrus!cs.utexas.edu!uunet!crdgw1!crdos1!davidsen
From: davidsen@crdos1.crd.ge.COM (Wm E Davidsen Jr)
Newsgroups: comp.unix.questions
Subject: Re: AIX pedigree (and unique features)
Keywords: AIX, pedigree, features
Message-ID: <551@crdos1.crd.ge.COM>
Date: 27 Sep 89 12:23:14 GMT
References: <202@fjcp60.GOV> <31@ursa-major.SPDCC.COM>
Reply-To: davidsen@crdos1.UUCP (bill davidsen)
Organization: GE Corp R&D Center
Lines: 18

In article <31@ursa-major.SPDCC.COM>, dyer@spdcc.COM (Steve Dyer) writes:

|  I was about to say "you can't" because "AIX" doesn't mean ANYTHING but
|  an interface specification.  Right now, AIX PS/2 and AIX/RT are completely
|  different internally.  The system call interface is mostly V.2 with sockets.
|  But if you work with the PS/2 kernel code (which I have) it's clear that it's
|  a Locus kernel, meaning that it shares a pedigree with 4.[123]BSD, V7, Sys III,
|  along with V.2, but has gobs of original Locus code to support TCF file sharing
|  and replication.

  I'm told that the AIX/370 kernel was done from yet another source (I
haven't seen the source, although three headhunters have offered me a
chance ;-) This implies that AIX version are compatible at the acronym level.
-- 
bill davidsen	(davidsen@crdos1.crd.GE.COM -or- uunet!crdgw1!crdos1!davidsen)
"The world is filled with fools. They blindly follow their so-called
'reason' in the face of the church and common sense. Any fool can see
that the world is flat!" - anon