Exam Details
Subject | unix and shell programming | |
Paper | ||
Exam / Course | p.g.d.c.a. | |
Department | ||
Organization | Alagappa University Distance Education | |
Position | ||
Exam Date | May, 2017 | |
City, State | tamil nadu, karaikudi |
Question Paper
DISTANCE EDUCATION
P.G.D.C.A. EXAMINATION, MAY 2017.
Second Semester
Computer Applications
UNIX AND SHELL PROGRAMMING
(2011 Calender year onwards)
Time Three hours Maximum 100 marks
SECTION A — 8 40 marks)
Answer any FIVE questions.
1. Write the use of following commands
mv
cp
rm
ed
cat
2. What are directories and files? Explain.
3. Explain the various options in grep family.
4. Write the uses of the following commands
echo
pwd
who
Sub. Code
22
DE-034
2
wk14
5. Write a short note on the following
trap
pick
kill.
6. Explain the usage of fork and wait commands in shell.
7. Write a shell program to copy one file to another.
8. Describe the layout of a manual page.
SECTION B — × 15 60 marks)
Answer any FOUR questions.
9. Explain the usage of any ten common file system
commands with example.
10. What are awk operators and built-in functions? Explain.
11. Explain in detail about the features of meta characters
and shell variables.
12. Describe any three looping statements in shell with
examples.
13. Explain the various system calls for file creation.
14. What are standard I/O functions? Explain with examples.
15. Explain any ten common mm formatting commands with
examples.
P.G.D.C.A. EXAMINATION, MAY 2017.
Second Semester
Computer Applications
UNIX AND SHELL PROGRAMMING
(2011 Calender year onwards)
Time Three hours Maximum 100 marks
SECTION A — 8 40 marks)
Answer any FIVE questions.
1. Write the use of following commands
mv
cp
rm
ed
cat
2. What are directories and files? Explain.
3. Explain the various options in grep family.
4. Write the uses of the following commands
echo
pwd
who
Sub. Code
22
DE-034
2
wk14
5. Write a short note on the following
trap
pick
kill.
6. Explain the usage of fork and wait commands in shell.
7. Write a shell program to copy one file to another.
8. Describe the layout of a manual page.
SECTION B — × 15 60 marks)
Answer any FOUR questions.
9. Explain the usage of any ten common file system
commands with example.
10. What are awk operators and built-in functions? Explain.
11. Explain in detail about the features of meta characters
and shell variables.
12. Describe any three looping statements in shell with
examples.
13. Explain the various system calls for file creation.
14. What are standard I/O functions? Explain with examples.
15. Explain any ten common mm formatting commands with
examples.
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