ObjectiveMcq
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In Linux, a device driver can work without the:
Correct Answer: A — Device file name
In Linux, a device driver does not require a specific device file name to function — the name of a device file in /dev is purely for user-space convenience and has no bearing on driver operation. The kernel dispatches requests based on the device number (major + minor), not the file name. However, both a major number (to register the driver) and a minor number (to identify the device) are essential for driver operation.