LinuxLinux is a family of free and open-source software operating systems built around the Linux kernel. The development of Linux is one of the most prominent examples of free and open-source software collaboration. The underlying source code may be used, modified and distributed—commercially or non-commercially—by anyone under the terms of its respective licenses, such as the GNU General Public License.

Typically, Linux is packaged in a form known as a Linux distribution (or distro for short) for both desktop and server use. The defining component of a Linux distribution is the Linux kernel. Distributions include the Linux kernel, supporting utilities and libraries, many of which are provided by the GNU Project, and usually a large amount of application software to fulfil the distribution’s intended use.

Linux is the most widely used operating system due to its marketing leading position on servers, mobile devices, and ebmeded systems. It has over 60% market share of web servers. The Android operating system (which runs on the Linux kernel) is the most used operating system worldwide, with its market share reaching 81.7 percent in the last quarter of 2016.

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About the author: Craig Delger

Craig Delger has over 30 years experience with software development. He has founded numerous technology companies, and has worked for several publicly traded software companies including Red Hat and Microsoft. Craig has consulted with over 100 companies on Internet Technology and Internet Marketing. Craig is a long-time user and advocate of open source software. Learn more about Craig's background.