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Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is a device file?
π‘ Hint: Think about the /dev directory in Linux.
Question 2
Easy
Name two types of device files.
π‘ Hint: Consider how they handle data.
Practice 4 more questions and get performance evaluation
Engage in quick quizzes to reinforce what you've learned and check your comprehension.
Question 1
What is the purpose of device files?
π‘ Hint: Think about how user applications interact with hardware.
Question 2
True or False: Block devices transmit data as a continuous stream.
π‘ Hint: Consider the characteristics of block vs character devices.
Solve 1 more question and get performance evaluation
Push your limits with challenges.
Question 1
You need to interface with a custom device file that requires reading and writing as part of a project. Create a basic outline of the Python code you might write to read the file.
π‘ Hint: Use the open function in Python to access the device file.
Question 2
A user reports that their application fails when trying to write to /dev/ttyS0
. How will you approach diagnosing the problem?
π‘ Hint: Consider file permissions and concurrent access.
Challenge and get performance evaluation