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
LINUX PROGRAMMING & SCRIPTING
( Electronics and Communication Engineering)

Time: 3 hours Max. Marks: 70

PART ? A
(Compulsory Question)

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1 Answer the following: (10 X 02 = 20 Marks)
(a) Explain the difference between a line editor and stream editor.
(b) Explain about the command creating a directory with example.
(c) Why to use NFS?
(d) What are configuration files of NFS server?
(e) How will you define and call a subroutine in PERL?
(f) What are features of PERL scripting?
(g) Write a program in TCL to find whether a given number is odd or even.
(h) Explain how an array can pass into a procedure.
(i) Write a note on classes in python.
(j) Name the file related modules in python.

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

UNIT ? I

2 List the various permissions used for files and directories in Linux? How can you change the permissions
using chmod. Chgrp, chown, commands.
OR
3 (a) What is kernel and explain its functions?
(b) Explain the following commands: (i) pwd (ii) echo (iii) cd (iv) Is

UNIT ? II

4 Discuss different data structures in the Linux network implementation.
OR
5 Write a detailed note on File transfer protocol in Linux.

UNIT ? III

6 Write about the data structures used in PERL scripts.
OR
7 What are regular expressions? Explain briefly about pattern matching, substitution and translation
operators in PERL.

UNIT ? IV

8 Explain switch and for syntax in TCL with example.
OR
9 Discuss in detail defining a command call back in button.

UNIT ? V

10 Explain exception handling mechanism in python.
OR
11 Write about data structures used in python script.

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R13
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