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Knowledge
Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is a signal in the context of operating systems?
💡 Hint: Think of something that lets an application know something important has happened.
Question 2
Easy
What does SIGINT signal represent?
💡 Hint: What do you do to stop a running program in the terminal?
Practice 4 more questions and get performance evaluation
Interactive Quizzes
Engage in quick quizzes to reinforce what you've learned and check your comprehension.
Question 1
What does the SIGINT signal do?
- Requests the termination of a process
- Interrupts a running process
- Notifies of a timer expiration
💡 Hint: Think about how you stop a process in the terminal.
Question 2
True or False: SIGTERM allows a process to clean up before exiting.
- True
- False
💡 Hint: Is this a polite way to ask a program to stop?
Solve 2 more questions and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Design a program that uses signal handling to manage multiple signals, including SIGINT and SIGTERM. Describe how your program would respond to each.
💡 Hint: Think about how you can differentiate between friendly and unfriendly termination requests.
Question 2
Explain how signal masks can be used in a multithreaded program to manage signals effectively.
💡 Hint: Consider how to prevent a worker from stopping mid-task while still allowing user feedback.
Challenge and get performance evaluation