A Network Operating System (NOS) is a type of operating system that manages and supports networking functions like file sharing, printer access, user management, and internet connectivity across computers in a network.
🧠 Memory Trick: NOS = Network + OS → Operating System for Network!
📋 Important Points:
NOS allows multiple computers to communicate over a network.
It helps in sharing of resources like files, printers, applications.
It provides user account management and network security.
Examples: Linux (with networking support), Windows Server, UNIX, Novell NetWare.
📝 Advantages of NOS:
S.No
Advantage
Explanation
1.
Resource Sharing
Files, printers, and internet can be shared across multiple computers.
2.
Centralized Data Management
Data is stored on a server, so it’s easy to manage and back up.
3.
Security
Provides user authentication and access control in the network.
4.
Remote Access
Users can access files and apps from different locations over the network.
5.
Scalability
Easy to add more computers or users to the network.
Example: A school computer lab uses a server with Linux as NOS. All student computers are connected to the server. Students can access shared study material and printers from their systems. The teacher controls user access using usernames and passwords.
✅ Short Note for Revision:
📌 NOS = Operating System for networked computers. 📌 Allows sharing of files, printers, apps, and user control. 📌 Example: Windows Server, Linux, UNIX.
