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The GNU General Public License ('''GNU GPL''' or simply '''GPL''') is a widely used Free Software License , originally written by Richard Stallman for the GNU Project . It is the license used by the Linux kernel. The GPL is the most popular and well known example of the type of strong Copyleft license that requires derived works to be available under the same copyleft. Under this philosophy, the GPL is said to grant the recipients of a Computer Program the rights of the Free Software Definition and uses copyleft to ensure the freedoms are preserved, even when the work is changed or added to. This is in distinction to Permissive Free Software Licences , of which the BSD Licenses are the standard examples. The GNU Lesser General Public License (LGPL) is a modified, more permissive, version of the GPL, intended for some Software Libraries . There is also a GNU Free Documentation License , which was originally intended for use with documentation for GNU software, but has also been adopted for other uses, such as the Wikipedia project. HISTORY The GPL was written by , 2006 , at the second international GPLv3 conference, held in Porto Alegre. Direct link to the section about the prehistory of the GPL. Stallman's goal was to produce one license that could be used for any project, thus making it possible for many projects to share code. An important vote of confidence in the GPL came from Linus Torvalds ' adoption of the license for the Linux Kernel in 1992, switching from an earlier license that prohibited commercial distribution. |
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