copyright

[WrigleyF]

Can you copyright a certain computer program you create the same way you'd copyright a book or a song?

[suwunk]

What does copyright protect?
Copyright, a form of intellectual property law, protects original works of authorship including literary, dramatic, musical, and artistic works, such as poetry, novels, movies, songs, computer software, and architecture. Copyright does not protect facts, ideas, systems, or methods of operation, although it may protect the way these things are expressed

U.S. Copyright Office - Copyright in General (FAQ)