This download link is referred from the post: JNTUA MCA 4th Sem last 10 year 2010-2020 Previous Question Papers (JNTU Anantapur)
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MCA II Semester Supplementary Examinations September/October 2014
LINUX PROGRAMMING
(For students admitted in 2009, 2010, 2011 and 2012 only)
Time: 3 hours Max Marks: 60
Answer any FIVE questions
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All questions carry equal marks
- (a) Explain briefly about text processing and process utilities in Linux.
(b) Write a short note on awk command. - (a) Define shell. Explain how a shell variable can be defined and initialized.
(b) Write a shell script to delete duplicate files in the directory. - (a) Describe the file system structure and different file types in Linux system.
(b) Compare hard links with soft links. - (a) Write a program to check the value of a volatile variable both in child and parent process and also list the differences in using fork ( ) and vfork (') system calls in the given program.
(b) Write a short note on kill () and raise ( ) functions. - (a) What is a signal? Discuss the signals SIGKILL and SIGSTOP.
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(b) What is the difference between reliable and unreliable signals? Explain with suitable examples. - (a) Explain the advantages of FIFOs over pipes.
(b) Write a C program to illustrate two-way communication using FIFOs. - (a) What is meant by synchronization? How synchronization is achieved with semaphores?
(b) Explain various multithreading models with suitable examples. - Explain briefly about the following socket API with syntax:
(a) socket.
(b) connect ().
(c) accept ().
(d) send ().
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This download link is referred from the post: JNTUA MCA 4th Sem last 10 year 2010-2020 Previous Question Papers (JNTU Anantapur)
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