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A Linux-based system is a modular Unix-like operating system, deriving much of its basic design from principles established in Unix during the 1970s and 1980s. Such a system uses a monolithic kernel, the Linux kernel, which handles process control, networking, access to the peripherals, and file systems.
The Unix system is composed of several components that were originally packaged together. By including the development environment, libraries, documents and the portable, modifiable source code for all of these components, in addition to the kernel of an operating system, Unix was a self-contained software system. This was one of the key ...
A Unix-like (sometimes referred to as UN*X, *nix or *NIX) operating system is one that behaves in a manner similar to a Unix system, although not necessarily conforming to or being certified to any version of the Single UNIX Specification. A Unix-like application is one that behaves like the corresponding Unix command or shell.
This quickly became the most popular adoption of GNU software. In June 1994 in GNU's Bulletin, Linux was referred to as a "free UNIX clone", and the Debian project began calling its product Debian GNU/Linux. In May 1996, Richard Stallman published the editor Emacs 19.31, in which the type of system was renamed from Linux to Lignux. This ...
Since the early 2000s, Linux is the leading Unix-like operating system and macOS leads for all Unix variants, with all other Unix variants having only a negligible market share (see Usage share of operating systems).
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.
A kernel is a component of a computer operating system. [1] ... Linux Traditional Unix permissions, POSIX ACL: Yes Yes LSM (SELinux, SMACK, TOMOYO Linux, AppArmor)
The UNIX operating system originated as a development ... Android is a partially open-source operating system closely based on Linux and has become the most widely ...