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| Chapter 2 UNIX Commands |

## telnet

    telnet [host [port]]

Communicate with another `host` using the TELNET protocol. `host` may be either a name or an Internet address (dot format). telnet has a command mode (indicated by the telnet> prompt) and an input mode (usually a login session on the `host` system). If no `host` is given, telnet defaults to command mode. You can also enter command mode from input mode by typing the escape character CTRL-]. In command mode, type ? or help to list the available commands.

Reference: tee |  | Reference: test