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: F3303 R09
JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD
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MCA III Semester Examinations, June/July - 2018
LINUX PROGRAMMING
Time: 3hrs Max.Marks:60
Answer any five questions
All questions carry equal marks
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- a) Write a shell script that determines the period for which a specified user is working on the system?
b) Explain reliable and unreliable signals. [6+6] - a) Write about directory management system calls.
b) Differentiate pipes and named pipes. [6+6] - a) Write about orphan process.
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b) Write a C program to create a zombie process. [6+6] - Write a C program to create a message queue with read and write permissions to write 3 messages to it with different priority numbers. [12]
- What are semaphores? Explain with an example:
Write a note on POSIX thread APIs. [6+6] - Write about shell meta characters.
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Differentiate soft links and hard links: [6+6] - What is socket? Explain socket system calls for connection oriented protocol. [12]
- Write short notes on the following:
a) Socket addresses
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c) FIFO’s. [12]
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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