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What is the difference between copyleft and copyright?

copyleft | copyright |

As nouns the difference between copyleft and copyright

is that copyleft is the philosophy of using copyrights to enforce freedom of information, especially software source code while copyright is the right by law to be the entity which determines who may publish, copy and distribute a piece of writing, music, picture or other work of authorship.

As verbs the difference between copyleft and copyright

is that copyleft is to license under a copyleft license while copyright is to place under a copyright.

copyleft

Noun

(en-noun)
  • The philosophy of using copyrights to enforce freedom of information, especially software source code.
  • ''They believe in copyleft because they want their software to be used freely by anyone.
  • A software license that follows this philosophy.
  • I have placed my program under copyleft .
    The GNU General Public License is a copyleft licence.

    Derived terms

    * (l)

    Verb

  • To license under a copyleft license.
  • Linus Torvalds copylefted the Linux kernel.

    copyright

    Noun

    (en-noun)
  • (uncountable) The right by law to be the entity which determines who may publish, copy and distribute a piece of writing, music, picture or other work of authorship.
  • Copyright is a separate legal area from trademarks.
  • (countable) Such an exclusive right as it pertains to one or more specific works.
  • The artist lost the copyrights to her songs when she signed the contract.

    Verb

    (en verb)
  • To place under a copyright.
  • To obtain or secure a copyright for some literary or other artistic work.
  • Derived terms

    * copyrightable

    See also

    * copyfight * copyleft * copyright infringement * exclusive right * copywrong

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