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Posted By: Ravindranath Member Level: Gold Posted Date: 27 May 2008
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2007 Alagappa University Computer Aplications M.C.A. (S) DEGREE EXAMINATION, DECEMBER 2007.(UNIX AND SHELL PROGRAMMING) Question paper
DISTANCE EDUCATION
M.C.A. (S) DEGREE EXAMINATION, DECEMBER 2007.
Third Semester
UNIX AND SHELL PROGRAMMING
Time : Three hours Maximum : 100 marks
Answer any FIVE questions.
(5 x 20 = 100)
1. (a) Explain Directory hierarchy in Unix.
(b) How to know and set permissions for files.
2. (a) How to create new commands in shell. Give an example.
(b) Explain about evaluating arguments, executing command and Trapping exit codes.
3. (a) How to customize cal command.
(b) How to traps and catching interrupts.
4. (a) How to access the environment variables in Unix.
(b) Explain process system calls.
5. (a) Write a shell program to implement four function calculator.
(b) Explain about features of macro package.
6. (a) Explain about differences between functions and procedures with suitable example.
(b) Explain about the features of Tbl and eqn.
7. Write short notes on :
(a) Awk
(b) Fillers
(c) Grep
(d) Inodes.
8. (a) Explain about zap – pick commands
(b) Get and put
(c) Zap and pick.
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