Download JNTUH MCA 4th Sem R15 2021 July-August 824AB Linux Programming Question Paper

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Code No: 824AB R15

JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD

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MCA IV Semester Examinations, July/August - 2021

LINUX PROGRAMMING

Time: 3 Hours Max.Marks:75

Answer any five questions

All questions carry equal marks

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1. a) Describe the characteristic features of Linux operating system.
   b) Summarize all the Shell Meta characters with examples. [7+8]
2. Write the syntax and examples of the following commands.
   (1) tee (i1) grep (ii1) mount (1v) sort.
3. Write a shell script to reverse the given number and check whether it is palindrome or not. [7+8]

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4. Differentiate between dup( ) and dup2( ) System calls.
   Write a C program to copy the contents of one file to other using system calls. [7+8]
5. Define a system call. Write about directory handling system calls with syntax and suitable examples. [15]
6. When the process is said to be Zombie state? Write a ‘C’ Program to illustrate Zombie Process.
   Differentiate between reliable and unreliable signals. [8+7]

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7. Write about Kernel support for a Process in Linux? Compare and Contrast wait( ) and waitpid( ) System Calls with suitable programs. [15]
8. What are the limitations of anonymous pipes? Write about communication between two unrelated processes using Named Pipes. [15]
9. Explain about Socket address structures for Internet Domain.
   Write a program for single client-server connection. [8+7]

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