Copyleft sign isolated on white background. Copyleft is a play on the word copyright to describe the practice of using copyright law to offer the right to distribute copies and modified versions of a work and requiring that the same rights be preserved in modified versions of the work. Copyleft is a form of licensing and can be used to maintain copyright conditions for works such as computer software, documents, music and art. In general, copyright law is used by an author to prohibit others from reproducing, adapting, or distributing copies of the author's work.
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