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An operating system (OS) is system software that manages computer hardware and software resources, and provides common services for computer programs. Time-sharing operating systems schedule tasks for efficient use of the system and may also include accounting software for cost allocation of processor time, mass storage, peripherals, and other ...
History of computing. more timelines ... Computer operating systems (OSes) provide a set of functions needed and used by most application programs on a computer, and the links needed to control and synchronize computer hardware. On the first computers, with no operating system, every program needed the full hardware specification to run ...
System generation. In computing system generation or sysgen is the process of creating a particular unique instance of an operating system by combining user-specified options and parameters with manufacturer-supplied general-purpose program code to produce an operating system tailored for a particular hardware and software environment. [1]
1953. DYSEAC - an early machine capable of distributing computing. 1955. General Motors Operating System made for IBM 701 [2] MIT 's Tape Director operating system made for UNIVAC 1103 [3][4] 1956. GM-NAA I/O for IBM 704, based on General Motors Operating System.
Just enough operating system (JeOS, pronounced "juice" according to SUSE) is a paradigm for customizing operating systems to fit the needs of a particular application such as for a software appliance. The platform only includes the operating system components required to support a particular application and any other third-party components ...
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.
Exokernels are much smaller than a normal kernel (monolithic kernel). They give more direct access to the hardware, thus removing most abstractions. Exokernel is an operating system kernel developed by the MIT Parallel and Distributed Operating Systems group, [1] and also a class of similar operating systems. Operating systems generally present ...
B. binary semaphore: See semaphore. booting: In computing, booting (also known as booting up) is the initial set of operations that a computer performs after electrical power is switched on or when the computer is reset. This can take tens of seconds and typically involves performing a power-on self-test, locating and initializing peripheral ...