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Download JNTUH MCA 3rd Sem R13 2018 January 813AM Linux Programming Question Paper

Download JNTUH (Jawaharlal nehru technological university) MCA (Master of Computer Applications) 3rd Sem (Third Semester) Regulation-R13 2018 January 813AM 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: 813AM R13

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JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD

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MCA III Semester Examinations, January - 2018

LINUX PROGRAMMING

Time: 3 Hours Max. Marks: 60

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Note: This question paper contains two parts A and B.

Part A is compulsory which carries 20 marks. Answer all questions in Part A. Part B consists of 5 Units. Answer any one full question from each unit. Each question carries 8 marks and may have a, b as sub questions.

PART - A 5 x 4 Marks = 20

  1. What are filters? List out various filters available in linux. [4]
  2. Distinguish between dup() and dup2() system calls. [4]
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  4. Explain the sleep() function with syntax. [4]
  5. Explain briefly about file locking with semaphores. [4]
  6. Explain the necessity of socket address structures. [4]

PART -B 5 x 8 Marks = 40

  1. a) Explain associative arrays.

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    b) Write a shell script to find the factorial of a number: [4+4]
    OR
    a) Explain various patterns and actions in awk.
    b) Write an awk script to perform simple arithmetic operations. [4+4]
  2. a) Explain the support given by kernel for files in detail.

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    b) What do you mean by a hole in a file? How does the use of lseek() result in hole in a file? Explain with an example program. [4+4]
    OR
    Explain the following system calls:
    i) open( ) ii) seek( ) iii) read( ) iv) link( ).
    Explain directory handling system calls. [4+4]
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  4. a) Differentiate between fork( ) and vfork( ).
    b) Write the syntax of six versions of exec functions and also explain how these functions differ from each other? [4+4]
    OR
    Explain the below system calls with the help of syntax and examples:
    a) kill b) raise c) alarm d) pause e) abort [8]
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  6. a) Explain the following concepts about pipes:
    a) Pipes between two process
    b) Pipes among three process in a shell. [4+4]
    OR
    Define unnamed pipe? How do we create unnamed pipe? Explain the limitations of unnamed pipe.

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    Write a program to accept the two integer numbers accepted by child, add them and result should be passed to parent. Parent process should print result on the screen using pipes. [4+4]
  7. a) Explain briefly about the following socket APIs with clear syntax:
    i) socket() ii) bind() iii) listen() iv) accept() v) connect( )
    b) Compare various IPC mechanisms. [4+4]
    OR

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    a) Compare the IPC functionality provided by message queues with shared memory.
    b) Explain how to handle multiple simultaneous clients. [4+4]

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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