Definition: Cluster


Cluster is a basic allocation unit on a hard drive. It is a group of contiguous sectors. The cluster size (number of sectors per cluster) varies with the storage media and is fixed at time of format. At least one cluster is allocated to each file, regardless of the file's size, that is stored in the DOS environment.




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Data Recovery Fact

FAT16

Older version of the FAT file system, based on 16-bit integers, has a limitation with respect to the size of partitions it can handle.

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