1. BCIS 82 - Introduction to the Internet
Telnet
BCIS 82 - Introduction to the Internet

2. Telnet one of the oldest tools on the Internet
let you log into a computer from a remote location
own computer is being used as a dump terminal
real processing is done on the remote terminal
keystrokes from your computer send to the remote terminal and your computer’s display is the output of the remote computer

3. Telnet
There are people who do not have access to the Web and still use information in the textual world of Telnet.
One particular case would be library catalogs.
Netscape cannot conduct Telnet session by itself
Netscape calls on a Telnet program to start Telnet Session

4. Telnet
After you telnet into a remote computer, you are using that computer’s operating system.
The display might be just text, no graphic.
The mouse might become useless.
You might encounter some cryptic prompts await commands
Some computers require you have a valid user account in order to Telnet into them

5. Telnet URL Format telnet://domain-name:port/
domain-name is the remote computer
port is the communication channel on which the remote computer is waiting for a request.
port may or may not specified, default is 23

6. Telnet Session in Netsite telnet://dra.com/ to start session
type ex and press Enter to quit
the usual disconnect commands are:logout, logoff, quit, bye or exit.
reasons can’t Telnet:
unable to find the remote computer, invalid address
the remote computer is powered off
the remote computer refuses to connect
a computer network is down

7. Terminal Emulation
After logging in a Telnet session, sometimes you might need to identify your terminal type or terminal emulation.
Some of the common terminal type choices:
V>VT100
W>WYSE emulating TV1925
A>CCCII PC
B>HEATHKIT H19
C>TANDEM
D>TV1910
E>TV1920
F>TV1925

8. Hytelnet
at Netsite type would be a good place to start a Telnet session