This download link is referred from the post: JNTUH MCA 4th Sem Last 10 Years 2023-2013 Question Papers R20-R09 || Jawaharlal nehru technological university
Code No: 824AB R15
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JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD
MCA IV Semester Examinations, October/ November - 2020
LINUX PROGRAMMING
Time: 2 Hours Max.Marks:75
Answer any five questions
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All questions carry equal marks
- a) Write a shell script to find the largest of 10 integers. [15]
- a) Explain various process utilities in Linux with clear syntax. [15]
b) Write about the following UNIX commands with example.
Cal, date, echo, printf, bc, script, mailx, who, tty, stty. [15] - a) How to declare and implement associative arrays? Give an example. [15]
- a) Describe usage of dup (), dup2 () system calls with example.
b) Explain about symlink () function with example program. [15] - a) Write the syntax of the following system calls and explain with an example code.
a) telldir () b) mkdir () [15] - a) Differentiate between fork( ) and vfork( ).
b) What is the need of exec( ) system call? Write a C program to illustrate exec (). [15] - a) Define Signals. What do you mean by Unreliable Signals? Explain.
b) Describe SIGKILL and SIGINT with examples. [15] - a) Write a program and explain how to transfer a large amount of data between two
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processes using Message queues. [15] - a) Explain briefly about the following socket APIs with clear syntax:
a) accept( ) b) connect() c) bind () [15]
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This download link is referred from the post: JNTUH MCA 4th Sem Last 10 Years 2023-2013 Question Papers R20-R09 || Jawaharlal nehru technological university