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Consider a file system that uses a modifed contiguous-allocation
scheme with support for extents. A file is a collection of extents, with
each extent corresponding to a contiguous set of blocks. A key issue in
such systems is the degree of variability in the size of the extents. What
are the advantages and disadvantages of the following schemes?

a. All extents are of the same size, and the size is predetermined.
b. Extents can be of any size and are allocated dynamically.
c. Extents can be of a few fixed sizes, and these sizes are predetermined.
in Operating System by Boss (10.8k points) | 7 views

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