Download JNTUA MCA 2019 May Reg-Supply 4th Sem 17F00403 Linux Programming Question Paper

Download JNTU Anantapur (JNTU Anantapur) Master of Computer Applications (MCA) 2019 May Reg-Supply 4th Sem 17F00403 Linux Programming Previous Question Paper

Code: 17F00403

MCA IV Semester Regular Examinations May 2019
LINUX PROGRAMMING
(For students admitted in 2017 only)

Time: 3 hours Max. Marks: 60

Answer all the questions

*****
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.
OR
2 (a) Write a short note on security using file permissions.
(b) Explain about text processing utilities in Linux.

3 (a) Explain the following system calls:
(i) Open ( ) (ii) Seek ( ) (iii) read ( ).
(b) Explain directory handling system calls.
OR
4 (a) Explain the support given by Kernel for files in detail.
(b) What do you mean by a hole in a file? How does the use of lseek ( ) result in hole in a file?
Explain with an example program.

5 (a) Explain the difference between fork ( ) and exec ( ) system calls.
(b) Explain in brief about reliable and unreliable signals.
OR
6 (a) Explain the layout of a C program image in main memory.
(b) Define orphan process. Write a program to illustrate the orphan process concept.

7 Explain in detail about IPC between related processes using unnamed pipes.
OR
8 Explain in detail about Kernel support for semaphores.

9 (a) Compare the IPC functionality provided by message queues with shared memory.
(b) Explain socket system calls for connectionless protocol.
OR
10 Explain the usage of stream sockets using client-server message handling example.

*****
FirstRanker.com - FirstRanker's Choice