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Path: utzoo!mnetor!seismo!rutgers!clyde!watmath!watnot!watmum!smvorkoetter
From: smvorkoetter@watmum.UUCP (Stefan M. Vorkoetter)
Newsgroups: comp.sys.ibm.pc
Subject: Re: Protecting against copying from hard disks
Message-ID: <667@watmum.UUCP>
Date: Mon, 10-Nov-86 09:08:01 EST
Article-I.D.: watmum.667
Posted: Mon Nov 10 09:08:01 1986
Date-Received: Mon, 10-Nov-86 22:16:08 EST
References: <836@ur-tut.UUCP> <579@bucsb.bu.edu.UUCP> <278@rocky2.UUCP>
Reply-To: smvorkoetter@watmum.UUCP (Stefan M. Vorkoetter)
Organization: U of Waterloo, Ontario
Lines: 10

In article <278@rocky2.UUCP> reintom@rocky2.UUCP (Tom Reingold) writes:

>Rewrite the file BIOS functions in DOS and rearrange the FAT so that it is
>non-standard.  This is very risky and I would not think that it would be
>safe, but I guess it's possible.

Rewriting the BIOS and rearranging the FAT won't work since someone could
still come in with their own DOS disk, with "copy" on it, which only accesses
the disk through the BIOS.  Thus, the BIOS changes, and the new FAT format
would be transparent to the thief's DOS.