Linux Sysfs Question:
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Which one of the following is a read-write semaphore in linux that protects all ksets and kobjects included in the filesystem?
a) rwsem
b) rwsemaphore
c) rws
d) none of the mentioned

Answer:

a) rwsem

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Each device in the device driver model is represented by a _____ object.
a) driver
b) device
c) node
d) none of the mentioned		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