Generally speaking, batch files (files with the BAT extension such as AUTOEXEC.BAT ) are text files that can contain a list of multiple commands to be executed. For example, you could write a BAT file to copy multiple files or change the directory or anything you can do using the " Command/DOS Prompt " commands. It's very easy to create BAT files: Go to the " DOS Prompt " or " Command Prompt " Type following commands in red line by line (press ENTER after each line): COPY CON MYBAT.BAT ECHO Hello, world! This is my test BAT file! CD C:\WORK\9TO5\FOLDERA DIR C:\WORK\9TO5\FOLDERA ^Z Please note that " ^Z " is a single character produced by pressing CTRL+Z Run newly created BAT file by typing " MYBAT " and pressing ENTER . In the above code, we're first saying " hello " to the world, changing the current directory to " C:\WORK\9TO5\FOLDERA " (example directory - you may...