Make Your Private Messenger

1. Open a new notepad.

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

3. Save as messenger.bat

4. When you open this file, you see a window like below, Here, in user write him/her IP address whom you want to send message,