JNTUA MCA 3rd Sem last 10 year 2010-2020 Previous Question Papers (JNTU Anantapur)
MCA II Semester Supplementary Examinations May 2019
LINUX PROGRAMMING
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(For 2009, 2010, 2011, 2012 (LC), 2013, 2014, 2015 & 2016 admitted batches only)
Time: 3 hours Max. Marks: 60
Answer any FIVE questions
All questions carry equal marks
- Explain various text processing utilities along with proper syntaxes and give suitable example for each.
- Write an awk script to find the number of characters, words and lines in a file.
- Write a shell script to delete duplicate files in the directory.
- Explain the control structures of shell in Linux with proper syntaxes.
- With a neat sketch, explain the Linux file system layout.
- Explain the file and the record locking in Linux.
- Draw and explain the structure of a typical process.
- Explain differences in using fork() and vfork() system calls.
- Write a program to create the zombie process.
- What is a signal? Discuss the signals SIGKILL and SIGSTOP with example.
- Explain the signal functions in detail.
- What is IPC? Explain it by using FIFO’s.
- Explain how pipes are used as a standard input and output.
- Write a C program to illustrate two-way communication using FIFOs.
- What is meant by synchronization? How synchronization is achieved with semaphores?
- Distinguish between threads and processes.
- What is a socket? Explain various data types used by the sockets interface.
- Explain the process of creating client/server communication in connection oriented model.
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