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Download JNTUH MCA 4th Sem R15 2018 January 824AB Linux Programming Question Paper

Download JNTUH (Jawaharlal nehru technological university) MCA (Master of Computer Applications) 4th Sem (Fourth Semester) Regulation-R15 2018 January 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

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JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD
MCA IV Semester Examinations, January - 2018
LINUX PROGRAMMING
Time: 3hrs Max.Marks:75

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

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Part A is compulsory which carries 25 marks. Answer all questions in Part A. Part B
consists of 5 Units. Answer any one full question from each unit. Each question carries
10 marks and may have a, b, c as sub questions.

PART - A 5 x 5 Marks = 25

  1. a) Describe the special parameters used by shell. [5]

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    b) What are hard links? Give their advantages and disadvantages. [5]
    c) Discuss the role of kill and raise functions in signal generation. [5]
    d) Write a program to implement the creation of a pipe. [5]
    e) What system calls are used to send and receive the data through sockets? [5]

PART -B 5 x 10 Marks =50

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  1. What is sed? Explain addressing in sed with suitable examples. [10]
    OR
  2. a) What is the exit status of a command and where is it stored?
    b) Write a shell script to display the current users of the system who have logged in for more
    than half an hour. [5+5]
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  4. a) What is an i-node? Explain the process of conversion of file path name to an i-node.
    b) Explain fseek, fopen, fclose system call in-detail. [5+5]
    OR
  5. What is a directory? List and explain various directory maintenance systems calls that are
    present in unix. [10]
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  7. a) What is a zombie process? Give its significance.
    b) Write a program to implement the sleep function. [5+5]
    OR
  8. Explain the role of the following system calls with respect to process:
    a) fork() b) Wait() c) Exec() d) waitpid e) vfork [10]
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  10. How to achieve the inter process communication by using FIFOs? Explain with some code
    snippets. [10]
    OR
  11. What is Semaphore? Explain how you would use semaphore system calls to solve critical
    section problems. [10]
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  13. a) Describe the role of port numbers with respect to sockets.
    b) Explain Byte-Ordering, address format and address lookup in Sockets. [5+5]
    OR
  14. a) What is a socket? Explain the socket system call along with the parameters present in it.
    b) Which system call is used to create shared memory segment and explain it. [5+5]
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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

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