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What (who) is copyleft - definition
copyleft
![The [[Creative Commons]] icon for Share-Alike, a variant of the copyleft symbol](https://commons.wikimedia.org/wiki/Special:FilePath/Cc-sa.svg?width=200 "The [[Creative Commons]] icon for Share-Alike, a variant of the copyleft symbol")
TECHNIQUE IN COPYRIGHT LAW OF GRANTING FREEDOMS OVER COPIES OF A WORK, AND OVER DERIVATIVE WORKS BY USING A SHARE-ALIKE PROVISION
Software hoarding; Copyleft licensing; Copy left; Copylefted; Reciprocal licence; Reciprocal license; Copy-Left; Copy-left; Hard copyleft; Strong copyleft; Weak copyleft; Copyleft license; Non-copyleft; Protective software license; Protective FOSS license; 🄯; All rights left; U+1F12F; Notice of copyleft; Copyleft notice; Copyleft symbol; Copyleft sign; Copyleft indication; Indication of copyleft; Copyleft permission; Copyleft character; Copyleft mark; Copyleft logo; Copyleft icon; Full copyleft; Partial copyleft; COPYLEFT SYMBOL; All wrongs reserved; @COPYLEFT ALL WRONGS RESERVED; COPYLEFT ALL WRONGS RESERVED; ALL WRONGS RESERVED; (ɔ)
<legal> /kop'ee-left/ (A play on "copyright") The copyright
notice and General Public License applying to the works of
the Free Software Foundation, granting reuse and
reproduction rights to everyone.
Typically copyrights take away freedoms; copyleft preserves
them. It is a legal instrument that requires those who pass
on a program to include the rights to use, modify, and
redistribute the code; the code and the freedoms become
legally inseparable.
The copyleft used by the GNU Project combines a regular
copyright notice and the "GNU General Public License" (GPL).
The GPL is a copying license which basically says that you
have the aforementioned freedoms. The license is included in
each GNU source code distribution and manual.
See also General Public Virus.
[Jargon File ]
(1995-04-18)
copyleft
TECHNIQUE IN COPYRIGHT LAW OF GRANTING FREEDOMS OVER COPIES OF A WORK, AND OVER DERIVATIVE WORKS BY USING A SHARE-ALIKE PROVISION
Software hoarding; Copyleft licensing; Copy left; Copylefted; Reciprocal licence; Reciprocal license; Copy-Left; Copy-left; Hard copyleft; Strong copyleft; Weak copyleft; Copyleft license; Non-copyleft; Protective software license; Protective FOSS license; 🄯; All rights left; U+1F12F; Notice of copyleft; Copyleft notice; Copyleft symbol; Copyleft sign; Copyleft indication; Indication of copyleft; Copyleft permission; Copyleft character; Copyleft mark; Copyleft logo; Copyleft icon; Full copyleft; Partial copyleft; COPYLEFT SYMBOL; All wrongs reserved; @COPYLEFT ALL WRONGS RESERVED; COPYLEFT ALL WRONGS RESERVED; ALL WRONGS RESERVED; (ɔ)
¦ noun Computing an arrangement whereby software or artistic work may be used and distributed freely on condition that anything derived from it is bound by the same conditions.
Derivatives
copylefted adjective
Origin
1980s: after copyright.
Copyleft
TECHNIQUE IN COPYRIGHT LAW OF GRANTING FREEDOMS OVER COPIES OF A WORK, AND OVER DERIVATIVE WORKS BY USING A SHARE-ALIKE PROVISION
Software hoarding; Copyleft licensing; Copy left; Copylefted; Reciprocal licence; Reciprocal license; Copy-Left; Copy-left; Hard copyleft; Strong copyleft; Weak copyleft; Copyleft license; Non-copyleft; Protective software license; Protective FOSS license; 🄯; All rights left; U+1F12F; Notice of copyleft; Copyleft notice; Copyleft symbol; Copyleft sign; Copyleft indication; Indication of copyleft; Copyleft permission; Copyleft character; Copyleft mark; Copyleft logo; Copyleft icon; Full copyleft; Partial copyleft; COPYLEFT SYMBOL; All wrongs reserved; @COPYLEFT ALL WRONGS RESERVED; COPYLEFT ALL WRONGS RESERVED; ALL WRONGS RESERVED; (ɔ)
Copyleft is the legal technique of granting certain freedoms over copies of copyrighted works with the requirement that the same rights be preserved in derivative works. In this sense, freedoms refers to the use of the work for any purpose, and the ability to modify, copy, share, and redistribute the work, with or without a fee.
Wikipedia
Copyleft
Copyleft is the legal technique of granting certain freedoms over copies of copyrighted works with the requirement that the same rights be preserved in derivative works. In this sense, freedoms refers to the use of the work for any purpose, and the ability to modify, copy, share, and redistribute the work, with or without a fee.
