extent(redirected from File extent)
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1. US Law a writ authorizing a person to whom a debt is due to assume temporary possession of his debtor's lands
2. Logic another word for extension (sense 6)
The physical locations in a mass-storage device or volume allocated for use by a particular data set.
extent(1) Contiguous space on a disk reserved for a file or application.
(2) A contiguous set of blocks in a database.