Operating System and Administration - Dec 2013

Computer Engineering (Semester 3)

TOTAL MARKS: 100
TOTAL TIME: 3 HOURS (1) Question 1 is compulsory.
(2) Attempt any four from the remaining questions.
(3) Assume data wherever required.
(4) Figures to the right indicate full marks.

Answer any one question from Q1 and Q2

1 (a) Explain the functions of OS.(6 marks) 1 (b) Explain architecture of UNIX with neat diagram.(6 marks) 2 (a) Explain different types of Kernels.(6 marks) 2 (b) List out different services provided by OS? Explain in detail.(6 marks)

Answer any one question from Q3 and Q4

3 (a) Write short notes on:
i) File Attributes.
ii) File Organization.(6 marks) 3 (b) Explain the bash scripting.(6 marks) 4 (a) Explain Directory structure in detail.(6 marks) 4 (b) Write short note on:
i) Boot strapping.
ii) Perl scripting.(6 marks)

Answer any one question from Q5 and Q6

5 (a) Differentiate between user mode & Kernel mode.(4 marks) 5 (b) Explain UNIX process state diagram.(6 marks) 5 (c) Explain UNIX access permissions.(3 marks) 6 (a) Explain process control block.(4 marks) 6 (b) Explain Prstat and topas.(5 marks) 6 (c) Differentiate between Truss & Tusc.(4 marks)

Answer any one question from Q7 and Q8

7 (a) Explain the different fields in Shadow file system.(7 marks) 7 (b) Differentiate between SATA & PATA.(3 marks) 7 (c) List out the characteristics of Storage device.(3 marks) 8 (a) Explain RAID in detail.(10 marks) 8 (b) Explain LVM.(3 marks)