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

Download JNTUH (Jawaharlal nehru technological university) MCA (Master of Computer Applications) 3rd Sem (Third Semester) Regulation-R09 2018 January F3303 Linux Programming Previous Question Paper

R09

Code No: F3303















JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD

MCA III Semester Examinations, January - 2018

LINUX PROGRAMMING



Time: 3hrs















Max.Marks:60

Answer any five questions

All questions carry equal marks

- - -


1.a)

Explain various process utilities available in linux.

b)

Write a shell script that deletes all lines containing a specified word in one or more files
supplied as arguments to it.













[6+6]



2.a)

Explain the kernel support for file system.

b)

Explain about symlink ( ) function with example program.





[6+6]


3.a)

Explain various patterns and actions in awk.

b)

Write an awk script to perform simple arithmetic operation.





[6+6]


4.a)

Differentiate soft link and hard link with examples.

b)

Describe usage of dup(), dup2() system calls with example.





[6+6]


5.a)

What is an orphan process? Write a program to illustrate orphan process.

b)

Define Signals. What do you mean by Unreliable Signals? Explain.



[6+6]


6.a)

What is a pipe? Using pipe, how IPC can be implemented.

b)

Compare the IPC functionality provided by message queues and FIFO's. What are the
advantages and drawbacks of each? Explain briefly.







[6+6]



7.a)

Differentiate all IPC mechanisms with examples.

b)

Write a C Socket Program for Linux with a Server and Client Example Code.

[6+6]


8.a)

Write briefly on POSIX threads.

b)

Write briefly on Thread synchronization with semaphores.





[6+6]




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