Download JNTUH MCA 3rd Sem R09 2017 August F3303 Linux Programming Question Paper

Download JNTUH (Jawaharlal nehru technological university) MCA (Master of Computer Applications) 3rd Sem (Third Semester) Regulation-R09 2017 August F3303 Linux Programming Previous Question Paper

R09

Code No: F3303















JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD

MCA III Semester Examinations, August - 2017

LINUX PROGRAMMING



Time: 3hrs













Max.Marks:60

Answer any five questions

All questions carry equal marks

- - -


1.a)

What are the features of LINUX Operating System?

b)

Describe the contents of a directory, explaining the mechanism by which its entries are

updated by cp, mv, and rm commands.











[6+6]


2.a)

Explain briefly about Mathematical functions in awk.

b)

Write a shell script to find the smallest of 10 integers using positional parameters.[6+6]


3.a)

Differentiate between hard linking and soft linking.

b)

Write the syntax of read( ) and write( ) system calls and explain with an example code.






















[6+6]


4.

Write the syntax of six versions of exec functions and also explain how these functions
differ from each other.















[12]


5.

Define a signal. What are the uses of signals? What are the conditions that can generate a



signal? Describe the actions to be taken by the kernel when a signal occurs.

[12]


6.

What are pipes? Explain how pipes are created and used in IPC with an example also
mention their limitations.















[12]


7.

Explain the following POSIX APIs with clear syntax and with an example code:



a) pthread_self( )



b) pthread_kill( )

c) pthread_exit( )



[12]


8.

Explain briefly about the following socket APIs with clear syntax:



a) socket( )



b) bind( )

c) listen( )

d) accept( )





[12]




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