Linux Sysfs Questions & Answers – 1

1. Sysfs was originally called
a) device driver filesystem
b) kernel interface filesystem
c) kernel filesystem
d) none of the mentioned
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2. What is sysfs?
a) it is a virtual filesystem
b) users use it to get the information about the running kernel
c) it is used for exporting kernel objects.
d) all of the mentioned
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3. Sysfs can be considered as the reflection of the
a) kernel’s device model
b) user’s device model
c) network’s device model
d) none of the mentioned
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4. The files of sysfs contains the information about
a) devices and drivers
b) memory mapping
c) ports
d) none of the mentioned
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5. Which one of the following is not true?
a) any file of the sysfs can not be edited
b) some files of the sysfs are writable for configuration of devices
c) any file of the sysfs may not be edited
d) none of the mentioned
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6. In linux sysfs is always mounted at
a) /sys
b) /proc/sys
c) /proc/mounts
d) none of the mentioned
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7. Libsysfs is a
a) user space library
b) kernel space library
c) not a library
d) none of the mentioned
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8. Sysfs represents the
a) kernel objects
b) libraries
c) api
d) none of the mentioned
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9. Sysfs does not contains
a) regular files
b) symbolic links
c) directories
d) none of the mentioned
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10. 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
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