Download JNTUH (Jawaharlal nehru technological university) MCA (Master of Computer Applications) 4th Sem (Fourth Semester) Regulation-R17 2021 July-August 844AB Linux Programming Previous Question Paper
R17
Code No: 844AB
2021
JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD
MCA IV Semester Examinations, July/August - 2021
LINUX PROGRAMMING
Time: 3 Hours
Max.Marks:75
Answer any five questions
All questions carry equal marks
- - -
1.
Explain about shell variables and shell Meta characters with suitable examples. [15]
2.a)
Explain about Piping and I/O redirection operators in Bourne Shell.
b)
Write a shell script to display the contents of a file without using in-built utilities. [8+7]
3.a)
Give the syntax for open( ) and create( ) system calls and explain.
b)
Describe the file descriptor and inode table entries with a neat diagram.
[8+7]
4.a)
Explain any two directory related system calls with neat syntax and example.
b)
Write about hashes and references in Perl.
[8+7]
5.a)
How does a fork( ) system call differs from an exec( ) system call? Explain.
b)
Write a program that illustrates the concept of zombie process.
[8+7]
6.a)
Illustrate the concept of kill( ) and raise( ) system calls.
b)
Explain about the primary features of reliable functions with an illustrative example
program.
[7+8]
7.a)
What are the security problems associated with system V IPC mechanisms?
b)
What are the limitations of pipes? List the benefits of FIFOs compared to pipes. [7+8]
8.
Describe all the elementary socket functions required to write a complete TCP client
and server application.
[15]
---oo0oo---
This post was last modified on 17 March 2023