copy protection

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copy protection

n.
Any of various methods to prevent unauthorized copying of copyrighted material on electronic media, usually by making it impossible to access the content of any of the copies.

cop′y-pro·tect′ v.

cop′y protec`tion


n.
a method of preventing users of a computer program from making unauthorized copies, usu. through hidden instructions contained in the program code.
cop′y-protect`ed, adj.
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However, these copy restrictions have discouraged user interest and slowed market growth.
The Foo Fighters, Switchfoot, and other bands fight their own labels' attempts to impose copy restrictions on consumers.
Software license without copy restrictions, allowing installation on any number of computers