Hardest Linux Sysfs Interview Preparation Guide Download PDF
Linux Sysfs frequently Asked Questions in various Linux Sysfs job Interviews by interviewer. The set of questions here ensures that you offer a perfect answer posed to you. So get preparation for your new job hunting
50 Linux Sysfs Questions and Answers:
Table of Contents:
1 :: 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
d) all of the mentioned
4 :: Sysfs is initialised in ______ file via sysfs_init function.
a) fs/sysfs/mount.c
b) sysfs/mount.c
c) fs/mount.c
c) none of the mentioned
a) fs/sysfs/mount.c
7 :: In sysfs every subsystem has:
a) a shared attribute structure
b) its own attribute structure
c) both (a) and (b)
d) none of the mentioned
b) its own attribute structure
9 :: In the device driver model the device_driver object contains the:
a) name of the device driver
b) embedded kobjects
c) method for probing a device
d) all of the mentioned
d) all of the mentioned
11 :: When a device is removed from the system:
a) files and directories of that device in the sysfs are removed automatically
b) all the files of sysfs are preserved until the system turn offs
c) it does not create any change in the sysfs
d) none of the mentioned
a) files and directories of that device in the sysfs are removed automatically
12 :: Relationship between components of device driver models are expressed in the sysfs as:
a) a directory
b) a regular file
c) symbolic links between files and directories
d) none of the mentioned
c) symbolic links between files and directories
13 :: 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
a) regular files represent the attributes of devices and drivers
15 :: 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
d) all of the mentioned
18 :: Each driver in the device driver model is described by a ______ object.
a) dev_d
b) device_d
c) dev_driver
d) device_driver
d) device_driver
20 :: In which directory every kernel module of the system is represented?
a) /sys/kernel
b) /sys/module
c) /sys/kernel/module
d) none of the mentioned
c) /sys/kernel/module
22 :: 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
23 :: Sysfs does not contains:
a) regular files
b) symbolic links
c) directories
d) none of the mentioned
d) none of the mentioned
24 :: Sysfs represents the:
a) kernel objects
b) libraries
c) API
d) none of the mentioned
a) kernel objects
25 :: Libsysfs is a:
a) user space library
b) kernel space library
c) not a library
d) none of the mentioned
a) user space library
