How to Telnet Using DOS
Telnet (Telecommunication network) uses the TCP/IP protocol (port 23) to establish connection to a remote system, for instance, a remote Unix/Linux machine. Telnet opens a terminal (shell) and allows it to perform various tasks on a remote computer from the local one. DOS (Disk Operating System) is a single-task and single-user operating system. To execute commands, the user has to type them in the DOS command prompt. DOS has became obsolete in late 1990s after the release of Windows95 as a standalone operating system. However, Windows 95/98/2000/XP operating systems allow you to emulate DOS via an MS-DOS command prompt using the executable file cmd.exe.
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Instructions
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Get to the MS-DOS prompt on Windows95/98/2000/NT/XP/ computer, and click "Start," located at the lower left corner of your screen, to bring up the Start menu.
Click "Run" in the Start menu, and the type "cmd" and press "Enter." (If you use Windows 95/98 type "command" and press "Enter"). The new window with the black background referred as MS-DOS shell will appear. If you still use a DOS computer, you can Skip this step and go directly to Step 2. -
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In the MS-DOS shell (or DOS command prompt ) type "telnet < machine name >" and press "Enter." Your machine name can be either a remote machine network name or IP address; examples: telnet orange.chem.edu, telnet 155.87.87.43
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Type your user name on the remote machine and press "Enter," and then type your password on the remote machine and press "Enter" again. This will establish you Telnet connection, and the remote machine command prompt will appear.
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Type "logout" or "quit," and press "Enter" to finish your telnet session on the remote machine To close the MS-DOS shell, type "Exit," and then press "Enter."
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Tips & Warnings
Telnet does not encrypt data sent over, and any information including user names passwords can be easily intercepted.
