how to open multiple programs with batch files at the same time

in this video I show how to make a.bat file that opens multiple applications.
Code:
@echo off
start "" "program dir"

• #education
• #the
• #internet
• #explorer
• #google
• #chrome
• #cmc
• #command
• #hack
• #programs
• #father
• #left
• #windows
• #maker
• #computer
• #marketing
• #tutorial
• #linux
• #desktop
• #software
• #basic
• #apple
• #ubuntu
• #visual
• #computers
• #using
• #install
• #leopard
• #system
• #firefox
• #screen
• #technology
• #help
• #rpg
• #howto
• #programming
• #visual_basic
• #tutorials
• #macintosh
• #use
• #boot
• #remove
• #ultimate
• #create
• #shutdown
• #free
• #operating
• #c
• #seven