BCS515C UNIX System Programming | Module 4 Imp Q&A | VTU 5th Sem

VTU BCS515C – UNIX System Programming (Module 4 Important Questions & Answers)

Welcome to Pranavaa 👋
This video explains Module 4 important questions and answers for the
🎓 Fifth Semester B.E Degree Examination (VTU)
📘 Subject: UNIX System Programming
📌 Subject Code: BCS515C

🔹 Concept Overview – Module 4

Module 4 focuses on process creation, inter-process communication (IPC), and synchronization mechanisms in UNIX systems.
This module is very important for VTU exams, as most questions are 10-mark long answers involving explanations, diagrams, and programs.

🔹 Important Questions Covered in This Video:

✅ Explain the fork() and vfork() system calls
Differences between fork() and vfork()
Use cases and examples

✅ Explain exec() system calls with examples
exec() family overview
How a process image is replaced

✅ Race Conditions
Definition
Causes and real-time examples

✅ Pipes
What are pipes?
Limitations of pipes
Program to send data from parent to child using a pipe

✅ FIFO (Named Pipes)
Definition of FIFO
Client-server communication using FIFO
Neat diagram explanation

✅ Semaphores
Need for semaphores
Types of semaphores
Synchronization example

✅ Message Queues
Concept of message queues
Advantages
IPC communication overview

🎯 Who Should Watch This Video?

VTU 5th Semester B.Tech students
Students preparing for BCS515C Internal & SEE exams
Learners revising UNIX IPC and synchronization concepts
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