Unit VII: File System Interface Management | BCA 4th Semester Operating System Notes Pdf

Files are logical units of information created by processes, we model disk instead of RAM. Processes can read existing files and create new ones if needed. Information stored in files must be persistent that is not affected by process creation and termination.

In this “File System Interface Management – Operating System” you will learn about the following topics:

1. File Concept
2. File Naming
3. File Structure
4. Byte Sequence, Record Sequence, Record Sequence
5. File Type
6. Ordinary files, Directory files, Special files
7. File Attributes
8. File Operations
9. File Descriptor
10. Directories
11. Single-Level Directory, Two-Level Directory, Hierarchical Directory Structure, Tree-Structured Directory, Acyclic Graph Directory, General Graph Directory Structure
12. Path Names
13. Operations on Directory
14. Access Method/Mechanism
15. Sequential Access Method, Direct Access Method, Index Access Method
16. Protection
17. Defense Mechanism
18. Types of Access
19. Preventative Access Control, Deterrent Access Control, Detective Access Control, Corrective Access Control, Recovery Access Control, Compensation Access Control, Directive Access Control
20. Access Control List (ACL)
21. Access Control Matrix
22. File System Implementation
23. Contiguous File Allocation
24. Linked List File Allocation
25. Linked List File Allocation with Table
26. Indexed File Allocation (I-NODE)
27. File Security
28. Types of Access
29. Access Control
30. Other Protection Approaches
31. Multimedia Files

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BCA 4th Semester Operating System Notes Pdf:

• Unit I: Introduction To Operating System
• Unit II: Operating System Structure
• Unit III: Process Management
• Unit IV: Deadlock
• Unit V: Memory Management
• Unit VI: Input/Output Device Management
• Unit VIII: Security Management
• Unit IX: Distributed Operating System
• Unit X: Case Study Issues
• Unit XI: Future Issues