Operating Systems600.418The File System

Table of Contents

Operating Systems600.418The File System

The File System

Final Exam Wednesday, November 29, 12pm - 3pm.Only 2 Hours!!! Some come at 12pm and some at 1pm.

The File System

Files

File Attributes

File Attributes (cont.)

Operations on Files

Additional Operations on Files

Additional Operations on Files

Memory Mapped Files

Access Methods

Access Methods (cont.)

Directory Organization

Directory Organization (cont.)

Single Level Directory

Two-Level Directory

Tree-Structured Directory

Acyclic-Graph Directory

Acyclic-Graph Directory (Cont.)

General-Graph Directory

Protection

Access Control Methods

Consistency Semantics for File Sharing

File System Architecture

File system components

File system components

File Allocation Methods

Contiguous File Allocation

Linked File Allocation

Linked File Allocation (cont).

File Allocation Table (FAT).

Indexed File Allocation

Indexed File Allocation (cont).

A Combined Scheme

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Other information:
Operating Systems (600.418), Lecture 7: The File System