Today's data recovery tools had come a long way compared to the simple "undelete" of two decades ago. Instead of relying solely on the file system, today's data recovery tools implement extremely complex algorithms allowing them to successfully recover files from raw volumes. A "raw" volume means that some disk system structures such as the master boot record (MBR) or the file system are damaged, empty or missing entirely. This article describes algorithms that are used recover files from raw disks volumes.
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300 Dollar Data Recovery
via Computers-and-Technology:Data-Recovery Articles from EzineArticles.com http://EzineArticles.com/8004528
300 Dollar Data Recovery