What is the purpose and functions of a network operating system?

A network operating system (NOS) is a piece of software that controls a network and its message (e.g. packet) traffic and queues, controls access by multiple users to network resources such as files, and provides for certain administrative functions, including security.

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You're using one right now, think about it.

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A network operating system is a group of software that connects computers and other devices together across a range of mediums (wired or wireless).

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