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From: CC004049%BROWNVM.BITNET@WISCVM.WISC.EDU@caip.RUTGERS.EDU
Newsgroups: net.micro.amiga
Subject: Re: Key Disk Copy Protection
Message-ID: <1450@caip.RUTGERS.EDU>
Date: Fri, 7-Mar-86 07:50:35 EST
Article-I.D.: caip.1450
Posted: Fri Mar  7 07:50:35 1986
Date-Received: Sat, 8-Mar-86 22:43:11 EST
Sender: daemon@caip.RUTGERS.EDU
Organization: Rutgers Univ., New Brunswick, N.J.
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From: George S. Musser Jr.


Jim Moore wrote:
>Key disk copy protection forces the user to have the original system disk in
>the disk drive during certain calls, usually when invoking the program.

But what is the mechanism that forces the original key disk to be
used?  That is, what prevents me from copying the disk, track
by track?

George