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4 cards from this section. Quick, good the night before a test.
What is a device file?
Think about how files relate to devices in Linux.
Name one example of a character device.
Consider devices that send data as a stream.
What type of device file transmits data in streams?
Recall the definitions of each type of device.
True or False: Device files are only for block devices.
Think about the two types of device files we discussed.
Design a Linux application that reads from a character device and writes to a block device. Outline the key functions needed.
Consider how to manage file descriptors for each device.
Discuss the implications of failing to abstract hardware interactions with device files in a Linux environment.
Think about how abstraction helps both developers and users.
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