We will need a little more info before we can be much help. Make, Model, size, and filesystem type. Also which version of which Linux.
I can say most common usb storage devices should be auto-mounted when inserted and an Icon should appear on your desktop.
If the USB device is formatted as FAT, FAT32 or even NTFS, it should work without any special drivers.
However, if the device has been encrypted using a Windows program, or if the device needs its own Windows driver installed before it works in Windows, it will likely not work on Linux. Many devices come pre-encrypted and use a Windows program to access them. If you need to enter a password to access the device on Windows, it is encrypted. Such devices can usually be re-formatted to work with both Windows and Linux, but the device's encryption will need to be disabled first.
Last edited by anotherlinuxuser; 03-03-2009 at 11:03 PM.