Precursors
The Unix operating system was conceived and implemented in 1969, at AT&T's Bell Labs, in the United States by Ken Thompson, Dennis Ritchie, Douglas McIlroy, … See more

The Linux kernel is a widely ported operating system kernel, available for devices ranging from mobile phones to supercomputers; it … See more

Many quantitative studies of free/open-source software focus on topics including market share and reliability, with numerous studies … See more

• Free and open-source software portal
• Linux portal
• Comparison of Linux distributions
• Comparison of open-source and closed-source software See more

Many developers of open-source software agree that the Linux kernel was not designed but rather evolved through natural selection. … See more

The primary difference between Linux and many other popular contemporary operating systems is that the Linux kernel and other components are free and open-source software. … See more

The Linux kernel is licensed under the GNU General Public License (GPL), version 2. The GPL requires that anyone who distributes software based on source code under this … See more