It is one of the core software, which is the most basic part of computer operating systems. It is a free software project released under the GNU General Public License version 2 and developed under the umbrella of the Linux Foundation.

The name Linux was given by its first developer, Linus Torvalds, in 1991. It is widely used in the operating systems of today's computers, smart devices and devices used in internet infrastructure. The most popular of these is the Android operating system developed by Google.


In addition, the name Linux is also used as a common abbreviation to generally describe operating systems built using this kernel. For example, when the Linux kernel and GNU tools are brought together and presented as a complete operating system, it is called a GNU/Linux distribution, but colloquially it is briefly referred to as Linux.

The Linux kernel does not provide a graphical desktop environment when run by itself. For this, a lot of software needs to be brought together. 

Systems using the Linux kernel have a market share of approximately 2% in the desktop, laptop and netbook computer market.It is mostly preferred by software developers, computer experts and free software volunteers.

Examples of desktop Linux systems are Ubuntu, Debian, Fedora, openSUSE, Linux Mint, Mageia. In Linux distributions that are being developed to appeal to the end user; a desktop environment such as GNOME, KDE, Xfce that constitutes the user interface, a web browser such as Mozilla Firefox, Chromium, an office software set such as LibreOffice, video-music player, CD/DVD burner, graphics processing software etc. such popular free software is packaged and presented to the end user.