Copy-protection - Hutchinson encyclopedia article about Copy-protection Printer Friendly
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copy protection
(redirected from Copy-protection)

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copy protection

Techniques used to prevent illegal copying of computer programs. Copy protection is not as common as it used to be because it also prevents legal copying (for back-up purposes). Alternative techniques to prevent illegal use include dongles, passwords and the need to uninstall a program before it can be installed on another machine.



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The hardware versions of copy-protections are not reliable and often error prone, on the other hand, software versions are more restrictive
Any file with $sys$ in its name is automatically cloaked by Sony's copy-protection code, making it invisible on computers which have used CDs carrying Sony's copy protection.
Recent advancements in copy-protection technology have made such a strategy more palatable to music companies reluctant to make any drastic changes to the 20-year-old CD format, particularly in the
 
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