Character devices:
  1 mem
  4 /dev/vc/0
  4 tty
  4 ttyS
  5 /dev/tty
  5 /dev/console
  5 /dev/ptmx
  5 ttyprintk
  7 vcs
 10 misc
 13 input
 14 sound
 29 fb
 81 video4linux
116 alsa
128 ptm
136 pts
180 usb
189 usb_device
202 cpu/msr
216 rfcomm
226 drm
238 media
239 mei
240 iio
241 hidraw
242 aux
243 cec
244 lirc
245 nvme-generic
246 nvme
247 bsg
248 watchdog
249 ptp
250 pps
251 rtc
252 dax
253 tpm
254 gpiochip

Block devices:
  1 ramdisk
  7 loop
  9 md
253 device-mapper
254 mdp
259 blkext
