Here you will learn about TCP/IP network overview, data communication, ip addressing introduction, basic protocols, routing in the internet. TCP/IP short for Transmission Control Protocol is a suite of the communication protocols used to connect the hosts on the internet. TCP and IP were developed b...

You will learn about the DNS server configurations and overview, ip addressing, subnetting, domains description, how ip works. Domain name service is an Internet service that translates domain names into IP addresses. Domain names are easy to remember because they are alphabetic. On the other end, t...

Here you will learn about submarine communication cable, amplifiers, repeaters, fibre optics ,telecommunication network and fibre optic cable companies. Submarine communication cables are the fibre optical cables and are used for the cross Atlantic communications. Submarine cables are consisting of ...

Here you will find subnet network overview, ip addressing, address translation, network overview, subnet masking and subnetting overview. A subnet or a subnetwork is a separate part of an organization’s network. In a subnet all the machines are typically in one room, building or at one geographical ...

Exim is an open source mail transfer agent (MTA), which is a program responsible for receiving, routing, and delivering e-mail messages. MTAs receive e-mail messages and recipient addresses from local users, remote hosts and deliver the messages to their destinations. Exim was developed in 1995, by ...

Linux is an open-source Operating System. People can change codes and add programs to Linux OS which will help use your computer better. Linux evolved as a reaction to the monopoly position of windows. you can't change any code for windows OS. You can't even see which processes do what and build you...