Linux - Wikipedia

Linux (/ ˈlɪnʊks / LIN-uuks) [11] is a family of free and open-source software Unix-like operating systems based on the Linux kernel, [12] which was first released on 17 September 1991 by Linus Torvalds. [13][14] Some members of the family are typically packaged as a distribution (a.k.a. distro), which includes the kernel alongside supporting system software and libraries developed by third ...

Source: en.m.wikipedia.org