write the below code in notepad
@echo off
:S
Cls
echo MESSENGER
set /p n=User:
set /p m=Message:
net send %n% %m%
Pause
Goto S
Save as "mesg.bat"
open your command promt
drag and drop mesg.bat file into commandpromt
press on enter
it will show as below image
MESSENGER
User:
in user field enter your friend computer user name or ip addres press enter
