CentOS Quick Start Guide

Linux networking concepts

A network is a group of two or more computers or computing devices connected using any communication media, such as cables or wireless media. These devices may be located in the same geographical location or spread across the world. A network environment provides these three services:

• Enables connected devices to communicate with each other
• Enables multiple users to share devices such as printers, copiers, scanners, and so on over the network
• Enables the sharing of files and managing of information across computers

Most organizations use two types of network: one for communication with internal staff and another for the outside world. Intranet is the term used to define communication within the internal network ...