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- Xref: sparky comp.os.coherent:3305 comp.os.minix:3781
- Newsgroups: comp.os.coherent,comp.os.minix
- Path: sparky!uunet!mcsun!news.funet.fi!ajk.tele.fi!funic!nntp.hut.fi!nntp.hut.fi!Petri.Virkkula
- From: Petri.Virkkula@hut.fi (Petri Virkkula)
- Subject: Re: OS compare (Unix/clone)
- In-Reply-To: michaelv@iastate.edu's message of Fri, 24 Jul 1992 14:27:30 GMT
- Message-ID: <PETRI.VIRKKULA.92Jul27231025@vipunen.hut.fi>
- Sender: usenet@nntp.hut.fi (Usenet pseudouser id)
- Nntp-Posting-Host: vipunen.hut.fi
- Organization: Helsinki University of Technology, Finland
- References: <1992Jul22.155542.27586@aie.nl> <Brtsqr.Bq8@well.sf.ca.us>
- <michaelv.711923616@vincent1.iastate.edu>
- <1992Jul24.001255.13675@csx.cciw.ca>
- <michaelv.711988050@help.cc.iastate.edu>
- Date: 27 Jul 92 23:10:25
- Lines: 31
-
- On Fri, 24 Jul 1992 14:27:30 GMT, michaelv@iastate.edu (Michael L. VanLoon) said:
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-
- Michael> I stand by my statement. You can't do it on an XT. And, you can't do
- Michael> it well on a 286. Two important things that are missing: large address
- Michael> model and true virtual memory. This is why you'll never see a
- Michael> full-featured unix on a 286, and why the top of the line for the 286
- Michael> will be crippled OS's like Coherent 3.2.1 (which does a great job with
- Michael> what it has to work with) and SCO Xenix 286. Heck, you can't even use
- Michael> all the features of MS-Windoze on a 286, and OS/2 doesn't even bother
- Michael> trying with version 2.0. Because they can't do the things they want to
- Michael> do without a) flat memory addressing and b) true virtual memory.
-
- But 286 has flat addressing and possibility for virtual memory
- in protected mode. However none of operating systems that I
- have used doesn't just take advantage of all 286's features.
-
- Petri
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- --
- -----------------------------------------------------------------------
- Petri Virkkula | email : Petri.Virkkula@hut.fi
- J{mer{ntaival 11 H 168 | pvirkkul@niksula.cs.hut.fi
- 02150 Espoo | pvirkkul@nic.funet.fi
- FINLAND | Phone : +358 0 455 1277
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