Telnet How-To

Overview

Telnet is a text based application, often used at the command line of an operating system. This requires accessing a shell for your particular operating system. Below you will find instructions for different operating systems and how to access the command line and then run the telnet application. Generally speaking, telnet is used like this:

# Usage:
  telnet <servername-or-ip> [port-number]

# Example:
[prompt]$ telnet example.com 23

If you have questions about installing a telnet client, check out this page:

• Telnet Applications

If you don’t have a destination for telnet, select one from this page:

• Telnet Places

Telnet on Windows

• Click the start button
• Choose “run” from the start menu
• Type “cmd.exe” in to the run box
• At the cmd prompt, type: telnet someserver.com 23

Telnet on Mac OS X

• Open the Applications menu or folder
• Select the Utilities folder
• Start the Terminal.app application
• At the shell prompt, type: telnet someserver.com 23

Telnet on Linux

• Open the your preferred terminal application
• At the shell prompt, type: telnet someserver.com 23

Stuck?

If you have additional questions, check our our FAQ page:

• Telnet FAQ