Download JNTUH MCA 3rd Sem R09 2018 January F3303 Linux Programming Question Paper

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Code No: F3303 R09

JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD

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MCA III Semester Examinations, January - 2018

LINUX PROGRAMMING

Time: 3hrs Max.Marks:60

Answer any five questions

All questions carry equal marks

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1. a) Explain various process utilities available in linux.
2. a) Write a shell script that deletes all lines containing a specified word in one or more files supplied as arguments to it. [6+6]
3. a) Explain the kernel support for file system.
4. a) Explain about symlink () function with example program. [6+6]
5. a) Explain various patterns and actions in awk.

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6. b) Write an awk script to perform simple arithmetic operation. [6+6]
7. a) Differentiate soft link and hard link with examples.
8. b) Describe usage of dup(), dup2() system calls with example. [6+6]
9. a) What is an orphan process? Write a program to illustrate orphan process.
10. b) Define Signals. What do you mean by Unreliable Signals? Explain. [6+6]

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11. a) What is a pipe? Using pipe, how IPC can be implemented.
12. b) Compare the IPC functionality provided by message queues and FIFO’s. What are the advantages and drawbacks of each? Explain briefly. [6+6]
13. a) Differentiate all IPC mechanisms with examples.
14. b) Write a C Socket Program for Linux with a Server and Client Example Code. [6+6]
15. a) Write briefly on POSIX threads.

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16. b) Write briefly on Thread synchronization with semaphores. [6+6]

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