M.Sc I Semester Examination, April/May 2008, Modern Operating System

Faculty of Science
M.Sc I Semester Examination, April/May 2008
Computer Science Paper 1.2
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Modern Operating System

Section A(Marks : 8x4 = 32)
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1. List out issues in Distributed Operating System?
2. Explain different process states.
3. Discuss varies access methods.
4. Discuss about free space management.
5. Explain abut access matrix with copy rights.
6. What are commit protocols?
7. Expain user's ie of fil system in Unix.
8. Write about backup devices.


Section B (Marks : 4 X 12 = 48)
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9(a) (i) Explain inherent limitations of distributed system.
(ii) Explain SJF scheduling algorithm with example.

(OR)
(b) Define Deadlock and explain prevention and recovery management.

10(a) What is thrashing? Discuss about various fram allocation methods.

(OR)
(b) Explain :

(i) Exception Handeling
(ii) Disk Structure.

11(a) Explain in detail revocation of access rights.

(OR)
(b) Explain:
(i) Fault Tolerence
(ii) Network management.

12. (a) (i) Explain security management in Unixe Operating System.
(ii) Discuss Resource Management in Unix.

(OR)
(b) Write the detailed procedure in Linux to create and remove users with the required commands.