Page 165 - DCAP403_Operating System

Operating System

Notes 3. What are the differences between file system and fi le manager?

4. Write short notes on:
(a) Disk fi le system
(b) Flat fi le system
(c) Network fi le system

5. What are the differences between a file system and a directory?
6. What is logical damage of data? How can it be recovered?

7. Write a short note on free space management.
8. What is indexed allocation method? How differs does it from linked list allocation?
9. Compare and contrast between contiguous disk space allocation method and linked list
allocation method.
10. What is disk scheduling? Describe different disk scheduling policies.

Answers: Self Assessment

1. locally, remote hosts 2. contiguous, linked, and indexed
3. finding space 4. linked 5. File allocation table

6. NT File system 7. disk model 8. direct-access

9. fl ash fi le 10. fi le 11. Dennis Ritchie
8.16 Further Readings

Books Andrew M. Lister, Fundamentals of Operating Systems, Wiley.

Andrew S. Tanenbaum And Albert S. Woodhull, Systems Design and Implementation,
Prentice Hall.
Andrew S. Tanenbaum, Modern Operating System, Prentice Hall.
Colin Ritchie, Operating Systems, BPB Publications.

Deitel H.M., “Operating Systems, 2nd Edition, Addison Wesley.
I.A. Dhotre, Operating System, Technical Publications.
Milankovic, Operating System, Tata MacGraw Hill, New Delhi.
Silberschatz, Gagne & Galvin, “Operating System Concepts”, John Wiley & Sons,
Seventh Edition.
Stalling, W., “Operating Systems”, 2nd Edition, Prentice Hall.

Online links www.en.wikipedia.org
www.web-source.net
www.webopedia.com

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