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Chap. 11 File-System (file concepts and structure (type (data(numeric,…
Chap. 11 File-System
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file system operation
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volume control block (superblock, masterfile table)contain volume details
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allocation method
contiguous allocation- each file occupies set of contiguous blocks, mapping from logical to physical
linked list allocation- each file a linked list of blocks,file allocation table(FAT) variation
indexed allocation- each file has its own index blocks of pointers to its data blocks, mapping from logical to physical in a file of unbounded length(block size of 512 words)
directory structure
a collection of nodes containing information about all files, both the directory structure and the files reside on disk.
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