Download JNTUH MCA 4th Sem R17 2022 March-April 844AB Marchapril Linux Programming Question Paper

Download JNTUH (Jawaharlal nehru technological university) MCA (Master of Computer Applications) 4th Sem (Fourth Semester) Regulation-R17 2022 March-April 844AB Marchapril Linux Programming Previous Question Paper


R17

Code No: 844AB















JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD

MCA IV Semester Examinations, March/April - 2022

LINUX PROGRAMMING

Time: 3 Hours















Max.Marks:75

Answer any five questions

All questions carry equal marks

- - -


1.a)

Write a shell script to find the factorial of a given number.

b)

Explain about shell meta characters and shell variables.







[8+7]


2.a)

Explain about the control structures used in shell programming.

b)

Write a shell program to concatenate two files.









[7+8]


3.a)

Write a Perl program to sort the list of element in an array.

b)

Explain about the Unix file structure.











[8+7]


4.

Explain the following system calls with complete syntax and examples.



a)chmod

b) chown

c)link d)symlink

e) getcwd.





[15]


5.a)

Explain about the reliable and unreliable signals.

b)

Explain about the kernel support for process.









[8+7]


6.a)

Explain about the wait and waitpid system call.

b)

Explain about the process control.













[8+7]



7.a)

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

b)

Explain about the Unix kernel support for messages.







[8+7]



8.a)

Write client server program using TCP.

b)

Explain about the Unix API for shared memory.









[7+8]



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This post was last modified on 17 March 2023