home *** CD-ROM | disk | FTP | other *** search
- Newsgroups: comp.sys.amiga.advocacy
- Path: sparky!uunet!gatech!news.byu.edu!hamblin.math.byu.edu!sol.ctr.columbia.edu!phoenix!jerry
- From: jerry@msi.com (Jerry Shekhel)
- Subject: Re: Future Amiga chipsets
- References: <1h7i3pINNi3i@gap.caltech.edu>
- Sender: nobody@ctr.columbia.edu
- Organization: Molecular Simulations, Inc.
- Date: Tue, 22 Dec 1992 17:47:58 GMT
- X-Newsreader: TIN [version 1.1 PL8]
- Message-ID: <1992Dec22.174758.22891@sol.ctr.columbia.edu>
- X-Posted-From: phoenix.msi.com
- NNTP-Posting-Host: sol.ctr.columbia.edu
- Lines: 27
-
- Andre T. Yew (andrey@cco.caltech.edu) wrote:
- :
- : >Yes, Unix has protected memory; that doesn't mean that it's bug free. The
- : >Worm took advantage of bugs in Unix, and took immense knowledge and ingenuity
- : >to create. On the other hand, a second-week computer science student would
- : >have no problem intentionally screwing up a system without memory protection.
- :
- : Aren't the both of you forgetting that UNIX also has user
- : privileges, and that's what makes it harder to write something
- : that can infiltrate the filesystem? On single-user things like
- : the AmigaOS and OS/2, a program can still trash the disk if it
- : wanted to, right? I think it goes beyond memory protection.
- :
-
- I'm going to go out on a limb here, and say that there is *no way* to write
- directly to the disk sectors under OS/2, except from a device driver. Also,
- although an OS/2 program can freely erase important files from the (local)
- disk, the really crucial stuff (kernel, shared libs, drivers) is still
- protected agaomst modification and erasure.
-
- : --Andre
- --
- +-------------------+----------------------------+---------------------------+
- | JERRY J. SHEKHEL | Molecular Simulations Inc. | Time just fades the pages |
- | Drummers do it... | Burlington, MA USA | in my book of memories. |
- | ... In rhythm! | jerry@msi.com | -- Guns N' Roses |
- +-------------------+----------------------------+---------------------------+
-