UNIX IMPORTANT QUESTIONS

PLSS PASS DA MSG TO EVERYBODY IN DA CLASSS


Note : Prepare all Questions for Exam in all combinations.All question must be
supported with examples
1.Explain the mechanism to change and assign file permission.
2.Discuss how file security provided to the user.
3.Write short notes on following :-
a) cut b) sort c)telnet
4. Discuss o networking commands in detail
5. Write short notes on following :-
6. What is filter . Discuss features of filters and pipes with suitable examples.
7. Write short notes on following :-
a) string replacement in file using vi b) yanking of text
c) ftp facility d) shift command with positional parameters.
8. a) Discuss two special file in Unix.
b) What is file redirection and discuss 3 standard files.
9. a) What are wilds illustrate with examples ?
b) What is command substitution illustrate with examples ?
10. a) Discuss control structures used in Unix Bourne Shell with examples.
b) Write Short note on awk command.

Programs/Shell scripts
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Write a shell script for generating prime numbers,
Write a shell o count numbers of users logged in for a user name.
Write a shell script to delete all lines form file containing a word "Unix".
Shell script to reverse a given number.