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: 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
- a) Write a shell script to find the factorial of a given number.
b) Explain about shell meta characters and shell variables. [8+7] - a) Explain about the control structures used in shell programming.
b) Write a shell program to concatenate two files. [7+8] - a) Write a Perl program to sort the list of element in an array.
b) Explain about the Unix file structure. [8+7] - Explain the following system calls with complete syntax and examples.
a) chmod b) chown c) link d) symlink e) getcwd. [15] - a) Explain about the reliable and unreliable signals.
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b) Explain about the kernel support for process. [8+7] - a) Explain about the wait and waitpid system call.
b) Explain about the process control. [8+7] - What are pipes? Explain their limitations. Explain how pipes are created and used in IPC with an examples.
- a) Explain about the Unix kernel support for messages. [8+7]
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b) Write client server program using TCP. - Explain about the Unix API for shared memory. [7+8]
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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