(1) Mouse
(2) Video adapter
(3) Network adapter
(4) Webcam
(5) Hard drive
(6) USB drive
I feel like all of them is listed except for the network adapter , Is that correct ?
Yes
$ ls /dev/input/mou*
/dev/input/mouse0 /dev/input/mouse1 /dev/input/mouse2
$ ls /dev/dri/card*
/dev/dri/card0
$ ls /dev/video*
/dev/video0
$ ls /dev/sd* /dev/sg* /dev/hd*
/dev/sda /dev/sda1 /dev/sda2 /dev/sda3 /dev/sda5 /dev/sda6 /dev/sg0 /dev/sg1
Why? See these related questions