Linux Sysfs Question: Download Linux Sysfs PDF

Which one of the following directory contains every physical device that has been discovered by the bus types registered with the kernel?
a) /sys/devices
b) /sys/bus/devices
c) /devices
d) none of the mentioned

a) /sys/devices

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A device class describes the ____ type of device. a) physical b) stuctural c) functional d) none of the mentioned	Which type of devices are peripheral devices? a) platform devices b) system devices c) both (a) and (b) d) none of the mentioned