Linux Sysfs Question: Download Linux Sysfs PDF

The directories in the /sys directory represents:
a) the device files
b) major subsystems that are registered with sysfs
c) details of buses only
d) none of the mentioned

b) major subsystems that are registered with sysfs

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Sysfs does not contains: a) regular files b) symbolic links c) directories d) none of the mentioned	In sysfs the device drivers of same _____ are expected to provide same functionalities to the user mode application. a) class b) kobjects c) ksets d) none of the mentioned