This is not a complex book but a Quick Reference Guide with brief explanations, with about all the Windows Commands you will ever need. This is this book I spent years looking for, starting when I was a technical student even after I was A+ certified. Even experienced Tech's can't remember all the Windows commands, all of the time. Fast access to commands will enable you to get the job done without digging through hundreds of pages of Technical books or browsing endlessly on the Internet. All at your fingertips.