This is the latest accepted revision, reviewed on 5 December 2017. This article linux kernel configuration guide pdf about the operating system.
For the kernel, see Linux kernel. Mainly open-source, proprietary software is also available. The defining component of a Linux distribution is the Linux kernel, an operating system kernel first released on September 17, 1991, by Linus Torvalds. Many Linux distributions use the word “Linux” in their name.
Linux to refer to the operating system family, as well as specific distributions, to emphasize that most Linux distributions are not just the Linux kernel, and that they have in common not only the kernel, but also numerous utilities and libraries, a large proportion of which are from the GNU project. This has led to some controversy.