DISTANCE EDUCATION
P.G.D.C.A.EXAMINATION, MAY 2018.
Second Semester
UNIX AND SHELL PROGRAMMING
(2011 Calendar Year onwards)
Time Three hours Maximum 100 marks
PART A — x 8 40 marks)
Answer any FIVE questions.
1. What are the basics of a Unix file?
2. Mention the uses of shift command. Give an example.
3. How can you replacing a file in Unix? Write an example.
4. Write a short note on process and signals.
5. Discuss any five built-in functions available in Unix.
6. How can you executing the commands without invoking a
new process?
7. Write syntax, uses and an example for Pick and News
command.
8. Describe about the document preparation tools.
Sub. Code
22
DE-3434
2
Ws19
PART B — x 15 60 marks)
Answer any FOUR questions.
9. Discuss the following commands with their syntax and
uses
Filters
Grep
10. Write a shell program to sum up the series.
11. Describe any two looping statements with an example.
12. Explain in detail Zap and Pick commands with their
syntax and uses.
13. Mention the functions and procedures in Unix? Discuss
its advantages in programming.
14. Write a menu driven shell program to copy, edit and
delete a file.
15. Write a shell program to convert upper case letters into
lower case letters in a file.