Osmania University (OU) 2008 M.Sc Computer Science Modern Operating System - Question Paper

Section A(Marks : 8x4 = 32)
****************************************************

1. List out problems in Distributed Operating System?
2. discuss various process states.
3. explain varies access methods.
4. explain about free space management.
5. discuss abut access matrix with copy rights.
6. elaborate commit protocols?
7. Expain user's ie of fil system in Unix.
8. Write about backup devices.


Section B (Marks : four X 12 = 48)
****************************************************

9(a) (i) discuss inherent limitations of distributed system.
(ii) discuss SJF scheduling algorithm with example.

(OR)
(b) describe Deadlock and discuss prevention and recovery management.

10(a) What is thrashing? explain about different fram allocation methods.

(OR)
(b) discuss :

(i) Exception Handeling
(ii) Disk Structure.

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

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

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

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

Earning:   Approval pending.