Linux

Linux is a family of free and open-source software Unix-like operating systems based on the Linux kernel, which was first released on 17 September 1991 by Linus Torvalds. Some members of the family are typically packaged as a distribution, which includes the kernel alongside supporting system software and libraries developed by third parties—such as GNU, Red Hat, and X. Org—to create a complete operating system; however, not all Linux-based operating systems are considered distros, with Android being an example.

Linux was originally designed as a clone of Unix and is distributed under the copyleft GPL license.

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