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Linus Torvalds in 2002. In 1991, while studying computer science at University of Helsinki, Linus Torvalds began a project that later became the Linux kernel.He wrote the program specifically for the hardware he was using and independent of an operating system because he wanted to use the functions of his new PC with an 80386 processor.
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.
www.redhat.com /en. Red Hat Linux was a widely used commercial open-source Linux distribution created by Red Hat until its discontinuation in 2004. [2] Early releases of Red Hat Linux were called Red Hat Commercial Linux. Red Hat published the first non-beta release in May 1995. [3][4] It included the Red Hat Package Manager as its packaging ...
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.
The article " Usage share of operating systems " provides a broader, and more general, comparison of operating systems that includes servers, mainframes and supercomputers. Because of the large number and variety of available Linux distributions, they are all grouped under a single entry; see comparison of Linux distributions for a detailed ...
Unix (/ ˈjuːnɪks / ⓘ, YOO-niks; trademarked as UNIX) is a family of multitasking, multi-user computer operating systems that derive from the original AT&T Unix, whose development started in 1969 [1] at the Bell Labs research center by Ken Thompson, Dennis Ritchie, and others.
Linux 3.2.0 has 380 system calls and FreeBSD 8.0 has over 450. A microprocessor port of Unix, to the LSI-11, was completed in 1978, [24] and an Intel 8086 version was reported to be "in progress" the same year. [21] The first microcomputer versions of Unix, and Unix-like operating systems like Whitesmiths' Idris, appeared in the late 1970s. [20]
Debian (/ ˈdɛbiən /), [5][6] also known as Debian GNU/Linux, is a free and open source [a] Linux distribution, developed by the Debian Project, which was established by Ian Murdock in August 1993. Debian is the basis for many other distributions, such as Ubuntu, Linux Mint, Tails, Proxmox, Kali Linux, Pardus, TrueNAS SCALE, and Astra Linux.