Path: utzoo!utgpu!watserv1!watmath!att!ucbvax!ANDREW.CMU.EDU!gk5g+
From: gk5g+@ANDREW.CMU.EDU (Gary Keim)
Newsgroups: comp.soft-sys.andrew
Subject: Re: what machines and OS's does andrew run on?
Message-ID: <obAQoU200VsW8EU3Vh@andrew.cmu.edu>
Date: 2 Nov 90 19:46:40 GMT
References: <AbAQg4D02mCPM8fINE@gargoyle>
Sender: daemon@ucbvax.BERKELEY.EDU
Distribution: world
Organization: The Internet
Lines: 18

That information is in the top-level README file:

IBM RT		AOS December 1988		rt_r3
IBM RT		AIX 2.2.1			rt_aix221
Sun 2		SunOS 3.5			sun2_35
Sun 3		SunOS 3.5			sun3_35
Sun 3		SunOS 4.0			sun3_4
Sun 4		SunOS 4.0			sun4_40
DEC Vax		Ultrix 2.2			vax_22
DEC Vax		Ultrix 3.0			vax_3
DEC Vax		BSD (4.3)			vax_43
HP 300		HP UX			hp300
Macintosh II	MacMach			mac2_51
Apollo		DomainOS		apollo68k
DEC MIPS	Ultrix 3.0			pmax_3
IBM PS/2 M70/80	AIX 1.1			ps_aix11 
IBM PS/2 M70/80	AIX 1.2			ps_aix12 
IBM RS/6000	AIX3.1			rs_aix31