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On a computer network, operating systems communicate with each other. In a distributed operating system, a single OS is communicating with itself across multiple machines.
Distributed Operating System (DOS)
There are basically four types of operating systems. They include Batch Operating System, Multiprogramming Operating System, Network Operating System and Distributed Operating System.
Several operating systems are capable of functioning in a distributed manner, including Linux, FreeBSD, Solaris, and Mac OS X.
distributed system is a special case of computer network.ofcourse distributed system is a network but a network may or may not be distributed.In general,a computer network is a very general term but distributed system is more specific..
is Distributed operating system a centralized OS
In the legal sense, no. Unix is an operating system and has the components of an NOS (Network Operating System) but it not considered just a network operating system.
Yes, a multiuser operating system is also described as a network operating system.
basic functions of a network operating system?
In centralised tasks are done by one system and in distributed tasks are shared by the many computers
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The demands of a network operating system are to be able to share resources, and ensure network security.