udev components

Question 1

udev runs as a what? what are they usually called?

Answer 1

deamon process , udevd systemd-udevd

Question 2

the udev deamon monitors what ?

Answer 2

a netlink socket

Question 3

udev creates and removes device nodes based on what?

Answer 3

rules

Question 4

what are the three components of udev:

Answer 4

1. the libudev library which allows access to information about the devices .
2. the udevd or systemd-udevd daemon that manages /dev directory
3. the udevadm utility for control and diagnostics

Question 5

what is the cleanest way to use udev?

Answer 5

is to have a pure system?

Question 6

what does is mean to have a pure system?

Answer 6

the /dev directory is empty upon the initial kernel boot. , and device nodes are created only as they are needed.

Question 7

what utility allows for control and dianostics of device nodes ?

Answer 7

udevadm