Flash drives are really ubiquitous. If you look around your computer desk, you will probably find a few USB mass storage devices near your work area. They are a boon for taking documents from one computer to the next and are fast and simple to use. They replaced the floppy that the ZIP disk could not supplant. The one area that USB flash drives are lacking is the ability to boot. Even though many computer motherboards support USB booting, it is difficult to get the right combination. Using this guide, you will be able to make a bootable USB "hard drive".