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NTHU-Operating System: Chap11 File System Implementation

File-System Structure

File-System Structure

Layered File System


File-System Implementation

On-Disk Structure


In-Memory Structure

File-Open & File-Read

File Creation Procedure

Virtual File System


Directory Implementation

Allocation Methods

Contiguous Allocation


Extent-Based File System


FAT (File Allocation Table) file system

Indexed Allocation Example




Combined Scheme: UNIX inode

Free-Space Management




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