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Sunday, March 18, 2012

Slack Space

Slack space is a part of hard of hard drive that are not fully used with the current allocated file and which may contain data from the previously deleted file of for simple word, slack space is thw wasted space from hard drive.



From the picture above, saving a 768 byte file (named User_File.txt) requires only sector 1 and 1/2 of sector 2 in the cluster.  Depending on the operating system, the remaining 256 bytes in sector 2 might be filled with 1′s or 0′s or might simply remain intact.  Both sectors 3 and 4 would not be overwritten and are thus considered slack space.

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