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- Newsgroups: comp.os.os2.misc
- Path: sparky!uunet!usc!sol.ctr.columbia.edu!news.columbia.edu!cunixb.cc.columbia.edu!mig
- From: mig@cunixb.cc.columbia.edu (Meir I Green)
- Subject: Re: OS/2 Needs a Supervisor mode!
- Message-ID: <1992Aug18.015919.11202@news.columbia.edu>
- Sender: usenet@news.columbia.edu (The Network News)
- Nntp-Posting-Host: cunixb.cc.columbia.edu
- Reply-To: mig@cunixb.cc.columbia.edu (Meir I Green)
- Organization: Columbia University, New York
- References: <1992Aug16.001819.14010@unixg.ubc.ca> <1992Aug16.161525.23512@tamsun.tamu.edu> <1992Aug17.182934.27506@njitgw.njit.edu>
- Date: Tue, 18 Aug 1992 01:59:19 GMT
- Lines: 16
-
- >In article <1992Aug16.161525.23512@tamsun.tamu.edu> bdubbs@cs.tamu.edu (Bruce Dubbs) writes:
- >>
- >>Why don't you just make CONFIG.SYS read only using the ATTRIB command?
- >>Ditto for the .dll's. This may not be a perfect solution, but since
- >>OS/2 traps I/O, a program cannot bypass it and manipulate the hardware
- >>directly.
-
- I did this for DOS, and OS/2 1.3. In both cases it was more trouble than it
- was worth. It is too hard to make changes intentionally. Installing the CSD
- was nearly impossible. I had to re-attrib all the files.... What makes you
- think a supervisor mode isn't simpler!?
-
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