SPPU Computer Engineering (Semester 3)
Operating System and Administration
December 2013
Total marks: --
Total time: --
(1) Assume appropriate data and state your reasons
(2) Marks are given to the right of every question
(3) Draw neat diagrams wherever necessary

Answer any one question from Q1 and Q2
1 (a) Explain the functions of OS.
6 M
1 (b) Explain architecture of UNIX with neat diagram.
6 M

2 (a) Explain different types of Kernels.
6 M
2 (b) List out different services provided by OS? Explain in detail.
6 M

Answer any one question from Q3 and Q4
3 (a) Write short notes on:
i) File Attributes.
ii) File Organization.
6 M
3 (b) Explain the bash scripting.
6 M

4 (a) Explain Directory structure in detail.
6 M
4 (b) Write short note on:
i) Boot strapping.
ii) Perl scripting.
6 M

Answer any one question from Q5 and Q6
5 (a) Differentiate between user mode & Kernel mode.
4 M
5 (b) Explain UNIX process state diagram.
6 M
5 (c) Explain UNIX access permissions.
3 M

6 (a) Explain process control block.
4 M
6 (b) Explain Prstat and topas.
5 M
6 (c) Differentiate between Truss & Tusc.
4 M

Answer any one question from Q7 and Q8
7 (a) Explain the different fields in Shadow file system.
7 M
7 (b) Differentiate between SATA & PATA.
3 M
7 (c) List out the characteristics of Storage device.
3 M

8 (a) Explain RAID in detail.
10 M
8 (b) Explain LVM.
3 M

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