How to use the telnet command in Linux for network management?

One can remotely log in to another computer or device in a Linux system using the telnet command, allowing for management and configuration through the command line. The following are the basic steps for using the telnet command:

1. Open the terminal or command line interface.
2. telnet
3. Internet Protocol address
4. Port Number
5. Press the Enter key to confirm the connection.
6. If the connection is successful, the login prompt for the remote computer or device will be displayed.
7. Please enter your username and password to log in to the remote computer or device.
8. Use commands to manage and configure. You can use common Linux commands to perform operations, such as viewing files, modifying configurations, etc.
9. Enter the command “exit” or “logout” and press the Enter key.
10. You can also press Ctrl + ] and then type the quit command and press Enter.

Please be aware that telnet is an insecure protocol since its communication data is transmitted in plaintext. It is recommended to use the more secure SSH protocol for remote login and management in a production environment.