Practice Communication Between Kernel And User Space (6) - Communication Between Kernel and User Space

Practice: Communication Between Kernel and User Space

Lesson 6Communication Between Kernel and User Space

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9 questions

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5 cards from this section. Quick, good the night before a test.
Exercise
6 questions · about 4 min · pass mark 70%. Hints available.
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Quiz
3 questions · about 2 min · pass mark 70%. Hints available.
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6 sample questions

Question 1.
What does a system call do?
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Think about how applications interact with the kernel.
Question 2.
Name two types of device files.
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Consider how devices are categorized by data handling.
3Question 3.
What is a system call?
- A way for kernel to call user applications
- A function for user applications to request services from the kernel
- A type of hardware interface
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Think about how applications request resources.
4Question 4.
Device files in Linux are used for:
- True
- False
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Consider how hardware interaction is structured in Linux.
Question 5.
Design a simple user-space application that utilizes at least three different system calls and explain how they interact with the kernel.
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Think of how applications use files and request data.
Question 6.
Develop a scenario where shared memory significantly improves performance compared to traditional file I/O. Discuss the implications.
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Consider applications that need rapid data exchange.

5 more questions in this section. Enroll free to practise them all.