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Systems programming Computer

System software is software designed to provide a platform to other software.[1] Examples of system software include operating systems like macOS and Windowscomputational science software, game enginesindustrial automation, and software as a service applications.[2]

In contrast to system software, software that allow users to do user-oriented tasks such as create text documents, play games, listen to music, or browse the web are collectively referred to as application software.[3]

In the early days of computing[when?] most application software was custom-written by computer users to fit their specific hardware and requirements. In contrast, 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.

The line where the distinction should be drawn is not always clear.[according to whom?] Many operating systems bundle[jargon] application software. Such software is not considered system software when it can be uninstalled usually without affecting the functioning of other software. Exceptions could be e.g. web browsers such as Internet Explorer where Microsoft argued in court that it was system software that could not be uninstalled. Later examples are Chrome OS and Firefox OS where the browser functions as the only user interface and the only way to run programs (and other web browsers can not be installed in their place), then they can well be argued to be (part of) the operating system and hence system software.