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File management - Coggle Diagram
File management
File attribute
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protection
controls who can do reading, writing and executing
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time, data and user identification
data for protection, security and usage monitoring
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Contiguous Allocation
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Disk addresses define a linear ordering on the disk. With this ordering, assuming that only one job is accessing the disk, accessing block b + 1 after block b normally requires no head movement.
When head movement is needed (from the last sector of one cylinder to the first sector of the next cylinder), the head need only move from one track to the next
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