Network operating System (RTOS)

An operating system (OS) is basically a collection of software that manages computer hardware resources and provides common services for computer programs. Operating system is a crucial component of the system software in a computer system.

Network Operating System is one of the important type of operating system.

Network Operating System runs on a server and gives the server the capability to manage data, users, groups, security, applications, and other networking functions. The basic purpose of the network operating system is to allow shared file and printer access among multiple computers in a network, typically a local area network (LAN), a private network or to other networks.

Some examples of network operating systems include Microsoft Windows Server 2003, Microsoft Windows Server 2008, UNIX, Linux, Mac OS X, Novell NetWare, and BSD.

Advantages

Centralized servers are highly stable.
Security is server managed.
Upgradation of new technologies and hardware can be easily integrated into the system.
It is possible to remote access to servers from different locations and types of systems.