Structures used in file-system implementation

Question

Explain the various structures which are used in the file-system implementation?

Answer 1

Various on-disk and in-memory structures which are used in order to implement the file system include:

a. On-disk structure involve

a) Partition block
b) Boot control block
c) Directory structure used to organize the files
d) File control block (FCB)

b. In-memory structure involves:

a) In-memory directory structure
b) In-memory partition table
c) System-wide open file table
d) Per-process open table