What is a Network operation System?

Unlike operation systems, such as Windows, that are designed for single users to control one computer, network operating systems (NOS) coordinate the tasks of lot of computers across a network. The network operating system acts as a manager to save the network running smoothly.

The two significant types of network operating solution are:

almost all modern networks room a mix of both. The networking style can be taken into consideration independent that the servers and also workstations that will share it.

Peer-to-Peer

Peer-to-peer network operation systems permit users to share resources and files situated on their computers and also to access shared resources discovered on other computers. However, they do not have a record server or a centralized management source (See fig. 1). In a peer-to-peer network, all computers are considered equal; they all have actually the very same abilities to use the resources obtainable on the network. Peer-to-peer networks room designed mainly for tiny to medium neighborhood area networks. Nearly all modern desktop computer operating systems, such as Macintosh OSX, Linux, and also Windows, can role as peer-to-peer network operating systems.




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Fig. 1. Peer-to-peer network


benefits of a peer-to-peer network:

less initial cost - No require for a specialized server. Setup - an operating mechanism (such as home windows XP) already in place may only should be reconfigured for peer-to-peer operations.

flaw of a peer-to-peer network:

Decentralized - No central repository for files and also applications. defense - walk not carry out the security obtainable on a client/server network.

Client/Server

Client/server network operating systems allow the network come centralize functions and also applications in one or more committed file servers (See fig. 2). The document servers come to be the love of the system, providing access to resources and providing security. Individual workstations (clients) have access to the resources accessible on the paper servers. The network operation system gives the mechanism to incorporate all the contents of the network and permit multiple individuals to all at once share the same sources irrespective of physical location. UNIX/Linux and the Microsoft family of home windows Servers are examples of client/server network operating systems.


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Fig. 2. Client/server network


advantages of a client/server network:

central - Resources and also data protection are controlled through the server. Scalability - any or all elements can be changed individually as needs increase. adaptability - brand-new technology have the right to be easily incorporated into system. Interoperability - All materials (client/network/server) job-related together. availability - Server deserve to be accessed remotely and throughout multiple platforms.

disadvantages of a client/server network:

cost - needs initial invest in dedicated server. maintain - large networks will require a employee to ensure efficient operation. dependence - when server goes down, operations will cease throughout the network.

Network Operating system Software

The complying with links include some of the more popular peer-to-peer and also client/server network operating systems.




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