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2. Operating system - Wikipedia

   en.wikipedia.org/wiki/Operating_system

   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 ...

3. Systems programming - Wikipedia

   en.wikipedia.org/wiki/Systems_programming

   Systems programming, or system programming, is the activity of programming computer system software.The primary distinguishing characteristic of systems programming when compared to application programming is that application programming aims to produce software which provides services to the user directly (e.g. word processor), whereas systems programming aims to produce software and software ...

4. System software - Wikipedia

   en.wikipedia.org/wiki/System_software

   System software was usually supplied by the manufacturer of the computer hardware and was intended to be used by most or all users of that system. Many operating systems come pre-packaged with basic application software. Such software is not considered system software when it can be uninstalled without affecting the functioning of other software.

5. Nintendo Switch system software - Wikipedia

   en.wikipedia.org/.../Nintendo_Switch_system_software

   Wii U system software. Official website. support.nintendo.com. The Nintendo Switch system software (also known by its codename Horizon) [3] is an updatable firmware and operating system used by the Nintendo Switch video game console. It is based on a proprietary microkernel.

6. 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 ...

7. Shell (computing) - Wikipedia

   en.wikipedia.org/wiki/Shell_(computing)

   In computing, a shell is a computer program that exposes an operating system 's services to a human user or other programs. In general, operating system shells use either a command-line interface (CLI) or graphical user interface (GUI), depending on a computer's role and particular operation. It is named a shell because it is the outermost ...

8. Process (computing) - Wikipedia

   en.wikipedia.org/wiki/Process_(computing)

   Process (computing) In computing, a process is the instance of a computer program that is being executed by one or many threads. There are many different process models, some of which are light weight, but almost all processes (even entire virtual machines) are rooted in an operating system (OS) process which comprises the program code ...

9. Operating environment - Wikipedia

   en.wikipedia.org/wiki/Operating_environment

   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.