Linux Sysfs Question:

The core data structure of device driver model is:
a) kobject
b) kfile
c) kmodule
d) none of the mentioned

a) kobject

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The kset contains: a) pointer to subsystem descriptor b) pointer to the kobject type descriptor of the kset c) head of the kobjects included in the kset d) all of the mentioned	What is the main role of the regular files in the sysfs? a) regular files represent the attributes of devices and drivers b) regular files represent the kernel objects c) regular files represent the kernel sets d) none of the mentioned