In Linux / Unix, you will be prompted to escape character is’ ^] ‘

This prompt means that pressing Ctrl +] will call out the command line of Telnet. After the telnet command comes out, you can execute the telnet command. For example, exit telnet is quit

Other common telnet command function description:

Close close the current connection logout force to exit the remote user and close the connection display display the parameters of the current operation mode try to enter the command line mode or character mode open connect to a site quit telnetsend send special characters set set the parameters of the current operation unset reset the current operation parameters status print status information Toggle switch the operation parameters SLC change special characters Character status auth on / off confirmation Z suspend telnetenviron change environment variable? Display help information