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Linus Torvalds released the Linux kernel in 1991, and it was relicensed under the GNU General Public License (GPL) in 1992, marking a major step toward a fully Free operating system.
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Sources
- Free and open-source software - Wikipedia en.wikipedia.org via serper
Referenced by nodes (3)
- GNU General Public License (GPL) concept
- Linus Torvalds entity
- Linux kernel concept