Amrita Vishwa Vidyapeetham 2007 M.C.A Unix And Linux Programming - Question Paper

M.C.A. MAY 2007

Unix And Linux Programming
Time : 3 hours Maximum : 100 marks
ans any 5 ques..
All ques. carry equal marks.
(5 ? 20 = 100)
1. (a) Explain the file system hierarchy in UNIX System.
(b) Discuss the features of awk.
2. (a) Discuss the uses of Meta characters in UNIX.
(b) Explain how commands can be executed without invoking new process.
3. (a) Explain how will you customize cal command.
(b) Explain the loop statements in UNIX.
4. (a) Explain different system calls in UNIX.
(b) How will you set permissions for Owner, Group and Public?
5. (a) Explain any TEN built in functions with example.
(b) Explain the text file processing with example.
6. (a) Explain the structure of a Directory with inodes.
(b) Explain conditional expressions with example.
7. (a) Explain the use of commands Get and Put in shell programming with example.
(b) Explain the procedure of handling Signals and Interrupts.
8. (a) Write a shell program to organize the set of numbers in descending order.
(b) Write a shell program to design a 4 function calculator.

Earning:   Approval pending.