📝 Synchronization and signals in The Linux System

Q1. What is the standard Linux mechanism for informing a process that an event has occurred?

💡 Difficulty: easy | ✅ Correct: B

Q2. How does the kernel avoid using signals for communication between kernel‑mode processes?

💡 Difficulty: medium | ✅ Correct: D

Q3. Several server processes are blocked waiting for incoming network data. Which mechanism ensures all of them are awakened when the data arrives?

💡 Difficulty: hard | ✅ Correct: D