Snapper reads the directory of a disk which is then saved as a "snapshot", so that later you can compare it with a new snapshot of the disk and see what has changed. The results are easy to see with colour-coded highlighting in a familiar Explorer-style interface. Print the results, or export them to create a customisable batch file or installation script. Extremely quick to use and to learn.  By the way: Snapper 3.0.21 can be purchased with PayPal, Visa, Master Card, Wire transfer, Money Order just for $20
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