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