Telnet

Intro
Telnet is a user command and an underlying TCP/IP protocol for accessing remote computers. Through Telnet, an administrator or another user can access someone else's computer remotely.

Usages:

 * Configuring network devices
 * Participating in online communities: Telnet’s text-based nature, and the fact that a Telnet session often looks like something from the early Seventies, actually make it ideal for online communities. The Telnet BBS Guide lists 375 different BBSes (bulletin board systems) which you can participate in using Telnet.

Advantages:
·     Accessing remote computers

·     Saves time

·     Universal configuration

Disadvantages:
·     Not secure

·     Its quite old