What are the structures used in file-system implementation, Data Structure & Algorithms

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What are the structures used in file-system implementation?

Several on-disk and in-memory structures are used to execute a file system

a. On-disk structure include

Partition block
Boot control block
Directory structure used to organize the files
File control block (FCB)

b. In-memory structure include

In-memory partition table
In-memory directory structure

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