DISTANCE EDUCATION
M.Sc. (Software Engineering) Years Integrated) DEGREE
EXAMINATION, DECEMBER 2017.
UNIX AND SHELL PROGRAMMING
Time Three hours Maximum 100 marks
SECTION A — × 8 40 marks)
Answer any FIVE of the following.
1. List the features of the Unix Operating System.
2. Illustrate the general format of the directory and file
operations of any four Unix commands.
3. Explain the filter and pipe concepts in Unix operating
system.
4. How to manage file security in Unix operating system?
Illustrate.
5. Discuss the general format of different types of the
command with example.
6. Explain about any four string functions of the Unix
Operating System with its usage.
7. Write a script to copy the content of one file to another.
8. Discuss the different types of variable declaration in
Unix Operating System.
Sub. Code
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DE-3042
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wk10
SECTION B — × 15 60 marks)
Answer any FOUR of the following.
9. Describe the Unix file system and file handling utility
commands with examples.
10. Explain the architecture of the Unix Operating System.

11. Write a shell program to compare the contents of two
files, and count the words in the files.
12. Discuss the various mathematical functions available in
Unix with examples.
13. Illustrate the various control structures in shell
programming.
14. How to define user-defined functions in Unix? Explain
with examples.
15. Explain the different types of system calls for file
management in Unix operating system.
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