What Can a USB Flash Drive Do?

A USB flash drive is portable device that we can take it do many things in our daily work.There are some important advanatage of the usb flash drive.
1: Run portable applications
In addition to storing your data, you can run portable applications from a USB flash drive. For example, OpenOffice, which is a complete office suite that includes a word processor, spreadsheet, presentation tool, drawing package, and database, is available as a portable application. Mozilla Firefox and Thunderbird are also available as portable applications. When you combine the office suite with the ability to surf the Web and check email, you’ll be able to take your most vital computing applications with you wherever you go — right in your pocket.
2: Boot an operating system
If you want to do more than just run your own applications, you might want to consider booting an entire operating system from your USB flash drive. You can boot either Windows or Linux from a USB flash drive; however, the process is not an exact science and you may be in for a technical adventure.
3: Create a password reset disk
A password reset disk can really come in handy if you forget the password to your user account on a Windows system that is not a part of a domain. If you find yourself in that situation, you can use the Windows password reset disk to reset your password and quickly get back into your user account. In Windows 7/Vista/XP, you can use USB flash drive rather than a floppy disk as a password reset disk.
4: Password-protect it
If you use a USB flash drive to transport sensitive data that you would prefer to protect from prying eyes, should you lose the drive, Rohos Mini Drive  can safeguard that data. This security tool allows you to create a secret partition on the drive and then password-protect/encrypt that partition, thus protecting any documents you copy to that partition via the utility’s file manager.
5. Reset Windows password
If you lost or forgot Windows password by accident and did not created a Windows password reset disk in advance. What would you do? Of course, you can take a third party software to reset Windows password with usb. Take Windows Password Unlocker for example, it helps to remove or reset the forgotten Windows password by create a  Windows password reset disk with a bootable USB flash drive.