Download JNTUA B.Tech 4-2 R13 2017 April Regular 13A04806 Linux Programming and Scripting Question Paper

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Code: 13A04806

B.Tech IV Year II Semester (R13) Regular Examinations April 2017

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LINUX PROGRAMMING & SCRIPTING

(Electronics and Communication Engineering)

Time: 3 hours

Max. Marks: 70

PART - A

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(Compulsory Question)

Answer the following: (10 X 02 = 20 Marks)

1. (a) Explain the difference between a line editor and stream editor.
2. (b) Explain about the command creating a directory with example.
3. (c) Why to use NFS?

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4. (d) What are configuration files of NFS server?
5. (e) How will you define and call a subroutine in PERL?
6. (f) What are features of PERL scripting?
7. (g) Write a program in TCL to find whether a given number is odd or even.
8. (h) Explain how an array can pass into a procedure.

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9. (i) Write a note on classes in python.
10. (j) Name the file related modules in python.

PART - B

(Answer all five units, 5 X 10 = 50 Marks)

UNIT - I

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1. 3 (a) List the various permissions used for files and directories in Linux? How can you change the permissions using chmod. Chgrp, chown, commands.
2. (b) What is kernel and explain its functions?

OR

3. 4 Explain the following commands: (i) pwd (ii) echo (iii) cd (iv) Is

UNIT - II

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1. 5 Discuss different data structures in the Linux network implementation.

OR

2. 6 Write a detailed note on File transfer protocol in Linux.

UNIT - III

1. 7 Write about the data structures in PERL scripts.

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OR

2. 8 What are regular expressions? Explain briefly about pattern matching, substitution and translation operators in PERL.

UNIT - IV

1. 9 Explain switch and for syntax in TCL with example.

OR

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2. 10 Discuss in detail defining a command call back in button.

UNIT - V

1. 11 Explain exception handling mechanism in python.

OR

2. 12 Write about data structures used in python script.

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