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Download JNTUH MCA 4th Sem R15 2020 November 824AB Linux Programming Question Paper

Download JNTUH (Jawaharlal nehru technological university) MCA (Master of Computer Applications) 4th Sem (Fourth Semester) Regulation-R15 2020 November 824AB Linux Programming Previous Question Paper

This post was last modified on 17 March 2023

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


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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

  1. a) Write a shell script to find the largest of 10 integers. [15]
  2. 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]
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  4. a) How to declare and implement associative arrays? Give an example. [15]
  5. a) Describe usage of dup (), dup2 () system calls with example.
    b) Explain about symlink () function with example program. [15]
  6. a) Write the syntax of the following system calls and explain with an example code.
    a) telldir () b) mkdir () [15]
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  8. a) Differentiate between fork( ) and vfork( ).
    b) What is the need of exec( ) system call? Write a C program to illustrate exec (). [15]
  9. a) Define Signals. What do you mean by Unreliable Signals? Explain.
    b) Describe SIGKILL and SIGINT with examples. [15]
  10. 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]
  11. 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