DESCRIPTION
usbdevs prints a listing of all USB devices connected to the system with some information about each device. The indentation of each line indicates its distance from the root.
The options are as follows:
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-a addr
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Only print information about the device at the given address.
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-d
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Show the device drivers associated with each device.
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-f dev
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Only print information for the given USB controller.
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-v
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Be verbose.