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  2. Operating system - Wikipedia

    en.wikipedia.org/wiki/Operating_system

    An operating system is difficult to define, [6] but has been called "the layer of software that manages a computer's resources for its users and their applications". [7] ...

  3. List of operating systems - Wikipedia

    en.wikipedia.org/wiki/List_of_operating_systems

    This is a list of operating systems.Computer operating systems can be categorized by technology, ownership, licensing, working state, usage, and by many other characteristics.

  4. Object-oriented operating system - Wikipedia

    en.wikipedia.org/wiki/Object-oriented_operating...

    An object-oriented operating system [1] is an operating system that is designed, structured, and operated using object-oriented programming principles.. An object-oriented operating system is in contrast to an object-oriented user interface or programming framework, which can be run on a non-object-oriented operating system like DOS or Unix.

  5. PenPoint OS - Wikipedia

    en.wikipedia.org/wiki/PenPoint_OS

    The PenPoint OS was one of the earliest operating systems written specifically for graphical tablets and personal digital assistants.It was a product of GO Corporation. ...

  6. JavaOS - Wikipedia

    en.wikipedia.org/wiki/JavaOS

    JavaOS is based on a hardware architecture native microkernel, running on platforms including ARM, PowerPC, SPARC, StrongARM, and IA-32 ().The Java virtual machine runs on the microkernel.

  7. Systems architecture - Wikipedia

    en.wikipedia.org/wiki/Systems_architecture

    Example of a high-level systems architecture for a computer. A system architecture is the conceptual model that defines the structure, behavior, and views of a system. [1] An architecture description is a formal description and representation of a system, organized in a way that supports reasoning about the structures and behaviors of the system.

  8. Darwin (operating system) - Wikipedia

    en.wikipedia.org/wiki/Darwin_(operating_system)

    Darwin is the core Unix-like operating system of macOS, iOS, watchOS, tvOS, iPadOS, audioOS, visionOS, and bridgeOS.It previously existed as an independent open-source operating system, first released by Apple Inc. in 2000.

  9. General Comprehensive Operating System - Wikipedia

    en.wikipedia.org/wiki/General_Comprehensive...

    General Comprehensive Operating System (GCOS, / ˈ dʒ iː k oʊ s /; originally GECOS, General Electric Comprehensive Operating Supervisor) [a] is a family of operating systems oriented toward the 36-bit GE-600 series [1] and Honeywell 6000 series [2] mainframe computers.