Character devices:
  1 mem
  2 pty
  3 ttyp
  4 /dev/vc/0
  4 tty
  4 ttyS
  5 /dev/tty
  5 /dev/console
  5 /dev/ptmx
  7 vcs
 10 misc
 13 input
 29 fb
128 ptm
136 pts
180 usb
188 ttyUSB
189 usb_device
202 cpu/msr
203 cpu/cpuid
226 drm
229 hvc
240 dimmctl
241 ndctl
242 hidraw
243 ttyDBC
244 usbmon
245 bsg
246 watchdog
247 ptp
248 pps
249 rtc
250 cxl
251 dma_heap
252 dax
253 tpm
254 gpiochip

Block devices:
  7 loop
  9 md
202 xvd
253 device-mapper
254 mdp
259 blkext