Perform Personal Online Chat with Command Prompt (no chat software needed)

If you want to do personal chat and if you want to be secure enough that your chat conversation wont get saved anywhere you can prefer chatting with command prompt.For this you don't need to download any yahoo messenger.All you need is your friends IP address and Command Prompt.
Firstly, open Notepad and enter:
@echo off
:A
Cls
echo MESSENGER
set /p n=User:
set /p m=Message:
net send %n% %m%
Pause
Goto A
Now save this as "Messenger.bat". Open the .bat file and in Command Prompt you should see:
MESSENGER
User:
After "User" type the IP address of the computer you want to contact.
After this, you should see this:
Message:
Now type in the message you wish to send.Before you press "Enter" it should look like this:
MESSENGER
User:27.196.391.193
Message: Hi
Now all you need to do is press "Enter", and start chatting!