Operating system - Wikipedia
WebAn operating system ( OS) is system software that manages computer hardware and software resources, and provides common services for computer programs .
History of operating systems - Wikipedia
WebOperating systems originally ran directly on the hardware itself and provided services to applications, but with virtualization, the operating system itself runs under the control of a hypervisor, instead of being in direct control of the hardware.
List of operating systems - Wikipedia
WebComputer operating systems can be categorized by technology, ownership, licensing, working state, usage, and by many other characteristics. In practice, many of these groupings may overlap. Criteria for inclusion is notability, as shown either through an existing Wikipedia article or citation to a reliable source.
Operating system - Simple English Wikipedia, the free …
WebAn operating system ( OS) is a kind of computer program that helps a computer to interact with other machines or with people. An OS is not actually one single program but a group of small programs, like file managers, device drivers, and kernels.
Unix - Wikipedia
WebUnix ( / 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 …
Operating system (OS) | Definition, Examples, & Concepts
WebMar 26, 2024 · operating system (OS), program that manages a computer ’s resources, especially the allocation of those resources among other programs. Typical resources include the central processing unit (CPU), computer memory, file storage, input/output (I/O) devices, and network connections.
Kernel (operating system) - Wikipedia
WebKernel (operating system) An oversimplification of how a kernel connects application software to the hardware of a computer. The kernel is a computer program at the core of a computer's operating system and generally has complete control over everything in the system. The kernel is also responsible for preventing and mitigating conflicts ...
Operating Systems - Wikibooks, open books for an open world
WebSep 22, 2022 · An operating system is software that manages and organizes that computer's resources and basic functions, including: Providing a user interface. Managing memory. Processing tasks. Keeping itself secure. Managing peripherals (e.g. printers, external hard drives) Multi-Tasking. Managing Errors. Etc.
Linux - Simple English Wikipedia, the free encyclopedia
WebLinux was originally developed for personal computers. Linux is the leading operating system (OS) on servers such as mainframe computers, and the only OS used on supercomputers (at least on the TOP500 list, since November 2017). It is used by around 2.3% of desktop computers.
Android (operating system) - Wikipedia
WebThe operating system's success has made it a target for patent litigation as part of the so-called "smartphone wars" between technology companies. Android devices account for more than half of smartphone sales in most markets, including the US, while "only in Japan was Apple on top" (September–November 2013 numbers).
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