Character devices:
  1 mem
  2 pty
  3 ttyp
  4 ttyS
  5 cua
  7 vcs
  9 st
 10 misc
 14 sound
 29 fb
 56 adb
128 ptm
136 pts

Block devices:
  1 ramdisk
  2 fd
  7 loop
  8 sd
 11 sr
