6.3.1 - What are Device Files?
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Practice Questions
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What is a device file?
💡 Hint: Think about the /dev directory in Linux.
Name two types of device files.
💡 Hint: Consider how they handle data.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What is the purpose of device files?
💡 Hint: Think about how user applications interact with hardware.
True or False: Block devices transmit data as a continuous stream.
💡 Hint: Consider the characteristics of block vs character devices.
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Challenge Problems
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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.
💡 Hint: Use the open function in Python to access the device file.
A user reports that their application fails when trying to write to /dev/ttyS0. How will you approach diagnosing the problem?
💡 Hint: Consider file permissions and concurrent access.
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