Windows: If you find yourself needing to create multiple duplicate flash drives, ImageUSB makes the process painless with concurrent drive imaging. Batch the process and image as many drives as you have USB ports availableLaunch the free app, check off the USB drives attached to your computer that you wish to image, select an image file, and let it rip. Whether you've got 2 or 10 USB devices in the queue when you return you'll have a pile of neatly imaged drives that required no fussing on your part. ImageUSB is freeware, Windows only.