Linux is a free and open source computer operating system. Currently there are many different Linux, but they all use the Linux kernel. Linux can be installed in a variety of computer hardware, from cell phones, tablet PCs, routers, and video game consoles, to desktop computers, mainframes and supercomputers. Linux is a leading operating system, computing the world's 10 fastest supercomputers are running the Linux operating system.
Linux operating system is free software and open source development, the most famous example. As long as the GNU General Public License, any people and institutions are free to use Linux all the underlying source code, you can freely modify and redistribute. Strictly speaking, Linux is only the word itself that the Linux kernel, but in practice it has been used to describe the use of Linux kernel based on Linux and the GNU tools and database engineering the operating system (also known as GNU / Linux .) Under normal circumstances, Linux is packaged for use in desktop and server Linux distribution. Some of the popular mainstream Linux distributions, including Debian (and its derivatives Ubuntu), Fedora and openSUSE, etc. Linux gets its name from hobbyist Linus Torvalds.