Run application in batch

Wanna run applications , In windows!!!
                      The command used to start an application , you must use the START Command.
syntax:
start application/filename.ext

eg program:

@echo off
start notepad
start cmd
start firefox
start internet explorer

save as start.bat.
result:It opens all applications on desktop.

is it Interesting .........
Well dont you want to know how to end or close the open application.........