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
JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD
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MCA IV Semester Examinations, August - 2017
LINUX PROGRAMMING
Time: 3hrs Max.Marks:75
Note: This question paper contains two parts A and B.
Part A is compulsory which carries 25 marks. Answer all questions in Part A.
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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
- How are diff, comm and cmp utilities different from each other? Explain. 5
- Define the boot block, super block, inode block and data block of the file system. 5
- What is a zombie process and explain how it may manifest itself? 5
- Explain popen( ) and pclose( ) functions with sample prototypes. 5
- Differentiate between TCP and UDP. 5
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PART -B 5 x 10 Marks =50
- a) What are the features of Linux Operating system? b) Explain the usage of βchmodβ command with clear syntax and example. [5+5]
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a) Write down the responsibilities of BASH shell. b) How to debug a shell script? Explain various options available in BASH shell for debugging a script. [5+5] - Give the directory structure of Linux file system. Explain its entries. [10]
OR
What are the three kernel data structures for open files? Explain how these data structures are shared by two independent processes with the same file open with a neat diagram.[10] - Explain in how many ways and when a process terminate under normal and abnormal conditions. [10]
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OR
With an illustrative example explain signal( ) and abort( ) functions. [10] - Explain how to implement client - server communication using Message Queues. [10]
OR
Describe the operations of semop( ) with sample C program. [10] - Explain how TCP connections are established and terminated. [10]
OR
Write the syntax of the following socket system calls and explain: a) connect( ) b) listen( ) c) shutdown( ) [10]
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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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