Transforming I/O request to Hardware Operations
Consider reading a file from disk for a process: Determine device holding file Translate name to device representation Physically read
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Operating System
Kernel I/O Subsystem
The kernel provides many services related to I/O. Several services (i.e. scheduling, buffering, caching, spooling, device reservation and error handling)
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Disk Management in Operating System
Disk Management The operating system is responsible for several aspects of disk management. Disk Formatting A new magnetic disk is
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Hard Disk Structure
Disk Structure The magnetic disk provides the bulk of secondary storage for modern computer systems. Each disk platter has a
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File Directory Structure
A directory is an object that contains the names of file system objects. The file system allows users to organize
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