Download JNTUH MCA 4th Sem R17 2022 March-April 844AB Marchapril Linux Programming Question Paper

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Code No: 844AB R17

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JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD

MCA IV Semester Examinations, March/April - 2022

LINUX PROGRAMMING

Time: 3 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 factorial of a given number.
   b) Explain about shell meta characters and shell variables. [8+7]
2. a) Explain about the control structures used in shell programming.
   b) Write a shell program to concatenate two files. [7+8]

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3. a) Write a Perl program to sort the list of element in an array.
   b) Explain about the Unix file structure. [8+7]
4. Explain the following system calls with complete syntax and examples.
   a) chmod b) chown c) link d) symlink e) getcwd. [15]
5. a) Explain about the reliable and unreliable signals.
   

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   b) Explain about the kernel support for process. [8+7]
6. a) Explain about the wait and waitpid system call.
   b) Explain about the process control. [8+7]
7. What are pipes? Explain their limitations. Explain how pipes are created and used in IPC with an examples.
8. a) Explain about the Unix kernel support for messages. [8+7]
   

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   b) Write client server program using TCP.
9. Explain about the Unix API for shared memory. [7+8]

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