Overwriting (computer science)
(重定向自Over writing)
Overwriting is a process of writing a binary set of data on a memory. In general it writes over the previous data, hence the name. Overwriting generally occurs when unused file system clusters are written upon with new data, though overwriting is also used in security algorithms. These algorithms use a precise set of rules to remove any part of an original data from the memory by writing a new raw data on the memory.