#TIL : Create tiny chat channel via netcat

In a network, you can create a tiny chatting channel using netcat. It's lightweight TCP protocol with plain-text transmission, so be carefully on using.

First, create a channel by picking port number (ex: 7777)

$ sudo nc -l 0.0.0.0 7777

Then, tell you friend your IP and channel port. He will use this info to connect the channel

$ nc 192.168.1.2 7777

Finnally, start chatting !! Each message will be send when you press [Enter]

Note: End the session by press Ctrl + D