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  2. Operating system - Wikipedia

    en.wikipedia.org/wiki/Operating_system

    A real-time operating system (RTOS) is an operating system intended for applications with fixed deadlines ( real-time computing ). Such applications include some small embedded systems, automobile engine controllers, industrial robots, spacecraft, industrial control, and some large-scale computing systems.

  3. Linux - Wikipedia

    en.wikipedia.org/wiki/Linux

    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.

  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. Ubuntu - Wikipedia

    en.wikipedia.org/wiki/Ubuntu

    Ubuntu is built on Debian's architecture and infrastructure, and comprises Linux server, desktop and discontinued phone and tablet operating system versions. Ubuntu releases updated versions predictably every six months, and each release receives free support for nine months (eighteen months prior to 13.04) with security fixes, high-impact bug fixes and conservative, substantially beneficial ...

  6. Distributed operating system - Wikipedia

    en.wikipedia.org/wiki/Distributed_operating_system

    A distributed operating system is system software over a collection of independent software, networked, communicating, and physically separate computational nodes. They handle jobs which are serviced by multiple CPUs. [1] Each individual node holds a specific software subset of the global aggregate operating system.

  7. Kernel (operating system) - Wikipedia

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

    Kernel (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 ...

  8. iOS - Wikipedia

    en.wikipedia.org/wiki/IOS

    iOS (formerly iPhone OS) [6] is a mobile operating system developed by Apple Inc. exclusively for its smartphones. It was unveiled in January 2007 for the first-generation iPhone, [7] launched in June 2007. It is the operating system that powers many of the company's mobile devices, including the iPhone.

  9. ChromeOS - Wikipedia

    en.wikipedia.org/wiki/ChromeOS

    ChromeOS. ChromeOS, [8] sometimes styled as chromeOS and formerly styled as Chrome OS, is a Linux -based operating system developed and designed by Google. It is derived from the open-source ChromiumOS, based on the Linux kernel, and uses the Google Chrome web browser as its principal user interface .