Use command prompt talk with other computer network

All you need is your friends IP address and Command prompt

Firstly,open Notepad And Enter:

and then type

@echo off
:A
Cls
echo MESSENGER
Set /p n=User:
Set /p m=Message:
net send %n% %m%
Pause
Goto A

Now save this file name is "Messenger.bat"
And then open the file And Now type the message for your friend
 Before you press Enter it should look like this:

MESSENGER
User:56.108.107
Message:Hi

Now you will chat with your friend