What are Network Topologies

What are Network Topologies

A network is a logical extension of data communication system. In computer network, two or more computers are link together with the carrier and data communication devices for the purpose of data communication and resources sharing. The manner in which computer nodes are geometrically arranged and connected is known as…continue reading →
How to Setup Environment Variables Permanently in Ubuntu

How to Setup Environment Variables Permanently in Ubuntu

Environment Variables are variables used in operating system such as Linux,Windows and Dos to hold global values which can be used by various application process by calling variable names. Environment variables contain information such as disk drive path, or file name. For example, the TEMP environment variable specifies the disk…continue reading →