Path: utzoo!utgpu!news-server.csri.toronto.edu!clyde.concordia.ca!uunet!tut.cis.ohio-state.edu!pt.cs.cmu.edu!b.gp.cs.cmu.edu!ralf From: ralf@b.gp.cs.cmu.edu (Ralf Brown) Newsgroups: comp.sys.ibm.pc Subject: Re: OS/2 vs. Unix Message-ID: <8563@pt.cs.cmu.edu> Date: 23 Mar 90 04:40:28 GMT References: <90070.221543GILLA@QUCDN.BITNET> <18131@boulder.Colorado.EDU> <1990Mar16.222205.9749@comm.WANG.COM> <4512@daffy.cs.wisc.edu> Organization: Carnegie-Mellon University, CS/RI Lines: 15 In article <4512@daffy.cs.wisc.edu> schaut@cat9.cs.wisc.edu (Rick Schaut) writes: }did it!). Better yet, with OS/2 on a tightly-coupled multiprocessor system, }I can do that and still have the _full_ capabilities of another processor }available for a third application I might want to run. Neither the AT&T nor }the Berkely flavors of UNIX can handle tightly-coupled multi-processors. Well, consider how old BSD 4.3 is.... Mach has shared memory, handles tightly-coupled multi-processors (CMU has it running on pMax and MultiMax systems), and lots of other goodies. A 386 port is in progress; a Macintosh port has been running for a while. -- {backbone}!cs.cmu.edu!ralf ARPA: RALF@CS.CMU.EDU FIDO: Ralf Brown 1:129/46 BITnet: RALF%CS.CMU.EDU@CMUCCVMA AT&Tnet: (412)268-3053 (school) FAX: ask DISCLAIMER? | _How_to_Prove_It_ by Dana Angluin 3. by vigorous handwaving: What's that?| Works well in a classroom or seminar setting.