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
 21 sg
 29 fb
 99 ppdev
128 ptm
136 pts
253 rtc
254 bsg

Block devices:
  1 ramdisk
  2 fd
259 blkext
  7 loop
  9 md
 11 sr
252 device-mapper
253 virtblk
254 mdp
