CHAT FROM UR COMMAND PROMPT

1. What you need? 
> you need your friend's IP Address and Command Prompt

2. Open Notepad and write this code :

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

3. Save this as "Messenger.Bat".

4. Open command prompt

5. Drag bat file over to Command Prompt and press Enter

6. This should come up 

7. Now, type the IP Address of the computer you want to contact and press enter.
You will see something like this:

8. Now all you need to do is type your message and press Enter.