This preview shows page 1. Sign up to view the full content.
Unformatted text preview: a user needs a valid username and password to access a particular
computer. This is common; for example, for organizations that wish to let only
certain people access their computer.
The telnet service allows an Internet user to log in to another computer somewhere
on the Internet. That is, a user can execute the telnet command on his/her local
computer to start a login session on a remote computer. This action is also called
To start a remote login session, the user types the command telnet and the address
of the remote computer on the terminal of his/her local computer. The user then
receives a prompt asking to enter a login name (user ID) and a password to ensure
that the user has the access rights for accessing the remote computer. If the user
specifies a correct login name and password, he/she gets logged in to the remote
computer. Once the login session is established with the remote computer, telnet
enters the input mode and anything typed on the terminal of the local computer by
the user is sent to the remote computer for processing.
Some of the common uses of the telnet service are:
1. Using the computing power of the remote computer. The local computer may
be an ordinary personal computer and the remote computer may be a powerful
2. Using a software on the remote computer. The software that the user wants
to use may not be available on the local computer.
3. Accessing remote computer's database or archive. The information archive
such as the public database or library resources may be available on the remote
4. For logging in to ones own computer from another computer. For example, if
the user is attending a conference in another city and has access to a computer on the Internet, he/she can telnet to his/her own computer and read his/her electronic
The usenet service allows a group of Internet users to exchange their
views/ideas/information on some common topic that is of interest to all the
members belonging to the group. Several such...
View Full Document
This document was uploaded on 04/07/2014.
- Spring '14