Linux
This article is about the family of operating systems. For the kernel, see Linux kernel. For other uses, see Linux (disambiguation). Linux Tux the penguin, mascot of Linux [1] Developer Community Linus Torvalds Written in Primarily C and assembly OS family Unix-like Working state Current Source model Mainly open-source, proprietary software is also available. Initial release September 17, 1991 ; 27 years ago ( 1991-09-17 ) Marketing target Personal computers, mobile devices, embedded devices, servers, mainframes, supercomputers Available in Multilingual Platforms Alpha, ARC, ARM, C6x, H8/300, Hexagon, Itanium, m68k, Microblaze, MIPS, NDS32, Nios II, OpenRISC, PA-RISC, PowerPC, RISC-V, s390, SuperH, SPARC, Unicore32, x86, Xtensa Kernel type Monolithic (Linux kernel) Userland GNU and various others [a] Default user interface Many License GPLv2 [7] and other free and open-source licenses (the name "Linux