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If I know a device's major device number how do I know which kernel module this relates to? In hpux I can use lsdev to see a list of major numbers and their associated modules names - is there an equivalent in RHEL 7.x ?

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cat /proc/devices

should do the trick

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    Please elaborate (and properly format) your answer. – countermode Jul 6 '17 at 16:11

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