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Operating system - Wikipedia
en.wikipedia.org/wiki/operating_system
The operating system provides an interface between an application program and the computer hardware, so that an application program can interact with the hardware only by obeying rules and procedures programmed into the operating system. The operating system is also a set of ...
List of operating systems - Wikipedia
en.wikipedia.org/wiki/list_of_operating_systems
PC DOS, IBM DOS. PC DOS 1.x, 2.x, 3.x (developed jointly with Microsoft); IBM DOS 4.x, 5.0 (developed jointly with Microsoft); PC DOS 6.1, 6.3, 7, 2000, 7.10. See also: MS-DOS and Windows · OS/2. OS/2 1.x (developed jointly with Microsoft); OS/2 2.x; OS/2 Warp 3 ...
Computing platform - Wikipedia
en.wikipedia.org/wiki/computing_platform
A computing platform is the environment in which a piece of software is executed. It may be the hardware or the operating system (OS), even a web browser or other underlying software, as long as the program code is executed in it. Computing platforms have different abstraction levels, including a computer architecture, ...
Supercomputer operating systems - Wikipedia
en.wikipedia.org/wiki/supercomputer_operating_system...
Since the end of the 20th century, supercomputer operating systems have undergone major transformations, as fundamental changes have occurred in supercomputer architecture. While early operating systems were custom tailored to each supercomputer to gain speed, the trend has been moving away from in- house ...
System software - Wikipedia
en.wikipedia.org/wiki/system_software
The operating system (prominent examples being Microsoft Windows, macOS and Linux), allows the parts of a computer to work together by performing tasks like transferring data between memory and disks or rendering output onto a display device.
Microsoft Windows - Wikipedia
en.wikipedia.org/wiki/microsoft_windows
Microsoft Windows, or simply Windows, is a group of several graphical operating system families, all of which are developed, marketed, and sold by Microsoft. Each family caters to a certain sector of the computing industry. Active Windows families include Windows NT and Windows Embedded; these may encompass ...
Timeline of operating systems - Wikipedia
en.wikipedia.org/wiki/timeline_of_operating_systems
This article presents a timeline of events in the history of computer operating systems from 1951 to the current day. For a narrative explaining the overall developments, see the History of operating systems. Contents. [hide]. 1 1950s; 2 1960s; 3 1970s; 4 1980s; 5 1990s; 6 2000s; 7 2010s; 8 See also. 8.1 Category links.
Operating environment - Wikipedia
en.wikipedia.org/wiki/operating_environment
In computer software, an operating environment or integrated applications environment is the environment in which users run application software. The environment consists of a user interface provided by an applications manager and usually an application programming interface (API) to the applications manager.
Usage share of operating systems - Wikipedia
en.wikipedia.org/wiki/usage_share_of_operating_syste...
Most computers are sold with a pre-installed operating system (OS); some users replace that OS with a different one due to personal preference, or install another OS alongside it and use both. Conversely, sales underestimate usage by not counting unauthorized copies.
Computer compatibility - Wikipedia
en.wikipedia.org/wiki/computer_compatibility
Software compatibility can refer to the compatibility that a particular software has running on a particular CPU architecture such as Intel or PowerPC. Software compatibility can also refer to ability for the software to run on a particular operating system. Very rarely is a compiled software ...
Introduction to Computers/System software - Wikiversity
en.wikipedia.org/wiki/v:introduction_to_computers/...
Thus, on a standard personal computer an operating system handles signals from input and output devices, manages memory usage and controls peripherals. Therefore, the operating system is the most important program a computer must run. An operating system has two jobs: to ...
Five Common Operating Systems | Chron.com
smallbusiness.chron.com/five-common-operating-systems...
The operating system is the computer's most important piece of software. It manages the hardware resources, determines which programs are compatible with the system and executes those programs when ...
History of operating systems - Wikipedia
en.wikipedia.org/wiki/history_of_operating_systems
Microsoft's first operating system, MDOS/MIDAS, was designed along many of the PDP-11 features, but for microprocessor based systems. MS-DOS, or PC DOS when supplied by IBM, was based originally on CP/M-80. Each of these machines had a small boot program in ROM which ...
Kernel (operating system) - Wikipedia
en.wikipedia.org/wiki/kernel_(operating_system)
Apple first launched its classic Mac OS in 1984, bundled with its Macintosh personal computer. Apple moved to a nanokernel design in Mac OS 8.6. Against this, the modern macOS (originally named Mac OS X) is based on Darwin, which uses a hybrid kernel called XNU, which was created ...
Network operating system - Wikipedia
en.wikipedia.org/wiki/network_operating_system
The term network operating system is used to refer to two rather different concepts: A specialized operating system for a network device such as a router, switch or firewall. An operating system oriented to computer networking, to allow shared file and printer access among multiple computers in a network, to enable the ...

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