Thumbs-down votes

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Possible Answers: NOS.

Last seen on: Universal Crossword – Sep 15 2021

Random information on the term “NOS”:

A network operating system (NOS) is a specialized operating system for a network device such as a router, switch or firewall.

Historically operating systems with networking capabilities were described as network operating system, because they allowed personal computers (PCs) to participate in computer networks and shared file and printer access within a local area network (LAN). This description of operating systems is now largely historical, as common operating systems include a network stack to support a client–server model.

Early microcomputer operating systems such as CP/M, MS-DOS and classic Mac OS were designed for one user on one computer.[citation needed] Packet switching networks were developed to share hardware resources, such as a mainframe computer, a printer or a large and expensive hard disk. As local area network technology became available, two general approaches to handle sharing of resources on networks arose.[citation needed]

NOS on Wikipedia