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Website. kernel.org. The Linux kernel is a free and open source, [12]: 4 UNIX-like kernel that is used in many computer systems worldwide. The kernel was created by Linus Torvalds in 1991 and was soon adopted as the kernel for the GNU operating system (OS) which was created to be a free replacement for Unix.
Linux is one of the most prominent examples of free and open-source software collaboration. The 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 (GPL).
Git, a distributed and open-source source management system designed by Linus Torvalds to guarantee the integrity of the source code, is used to keep track of changes in the Linux source code. This and the fact that the source code is available to anyone and widely known makes any attempt to tamper with the source code fairly easy to detect and ...
Comparison of operating systems. Comparison of Linux distributions. Comparison of BSD operating systems. Comparison of kernels. Comparison of file systems. Comparison of platform virtualization software. Comparison of DOS operating systems. List of operating systems. Live CD.
The history of free and open-source software begins at the advent of computer software in the early half of the 20th century. In the 1950s and 1960s, computer operating software and compilers were delivered as a part of hardware purchases without separate fees. At the time, source code —the human-readable form of software—was generally ...
Moodle – Free and open-source learning management system. OLAT – Web-based Learning Content Management System. Omeka – Content management system for online digital collections. openSIS – Web-based Student Information and School Management system. Sakai Project – Web-based learning management system.
Ubuntu (/ ʊ ˈ b ʊ n t uː / uu-BUUN-too) [7] is a Linux distribution derived from Debian and composed mostly of free and open-source software. [8] [9] [10] Ubuntu is officially released in multiple editions: Desktop, [11] Server, [12] and Core [13] for Internet of things devices [14] and robots.
A license, whether providing open-source code or not, that does not stipulate the "four software freedoms", [3] are not considered "free" by the free software movement. A closed source license is one that limits only the availability of the source code. By contrast a copyleft license claims to protect the "four software freedoms" by explicitly ...