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Network Operating System - (BCA / B.Tech)

Network Operating System in Operating System:

A Network Operating System (NOS) is a type of operating system that facilitates the operation and communication of computer systems based on a network. The main purpose of a NOS is to allow the sharing of files, printers, or other hardware devices among different computers and users on a network. It is typically installed on a server and is responsible for managing network resources, security, and user administration.

Features of a Network Operating System:

Centralized File Storage: All data and files are stored on a central server.
Resource Sharing: Allows sharing of devices like printers, scanners, and hard disks.
Security: Provides features like user authentication, data encryption, and access control.
User Management: Allows administrators to set different rights and permissions for users.
Data Backup and Recovery: Facilitates regular data backup and recovery.
Network Monitoring: Allows monitoring of network traffic, user activities, and resource usage.
Multi-User Support: Allows multiple users to use network resources simultaneously.
Fault Tolerance: Ensures that the network continues to function despite errors or failures.

Types of Network Operating Systems:

1. Peer-to-Peer Network Operating System: All computers are equal and communicate directly. There is no central server. Suitable for small networks. It is simple and inexpensive but has limited security and management capabilities.

2. Client-Server Network Operating System: A central server provides data and resources to client computers. Suitable for large and complex networks. It offers high security and centralized control but is expensive and dependent on the server.

Advantages of a Network Operating System:

Centralized Data Control.
Data and Resource Sharing.
Enhanced Security.
Multi-User Support.
Data Backup and Recovery.

Limitations of a Network Operating System:

High Cost.
Server Dependency: The entire network can fail if the server goes down.
Complex Management and Maintenance.
Technical Complexity requires expertise.

Network Operating System

Network Operating System in Operating System:

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