Linux

*Linux is the name usually given to any Unix-like computer operating system that uses the Linux kernel.
*Linux is one of the most prominent examples of free software and open source development: typically all underlying source code can be freely modified, used, and redistributed by anyone.
*The name "Linux" comes from the Linux kernel, started in 1991 by Linus Torvalds.
*The system's utilities and libraries usually come from the GNU operating system, announced in 1983 by Richard Stallman. The GNU contribution is the basis for the alternative name GNU/Linux.
*Predominantly known for its use in servers, Linux is supported by corporations such as Dell, Hewlett-Packard, IBM, Novell, Oracle Corporation, Red Hat, and Sun Microsystems.
* It is used as an operating system for a wide variety of computer hardware, including desktop computers, supercomputers and embedded devices such as E-book readers, video game systems, mobile phones and routers.