Character devices:
  1 mem
  2 pty
  3 ttyp
  4 ttyS
  5 cua
  6 lp
  7 vcs
 10 misc
 14 sound
 81 video_capture
 89 i2c
108 ppp
128 ptm
136 pts
162 raw

Block devices:
  1 ramdisk
  2 fd
  3 ide0
  7 loop
 11 sr
 22 ide1
 43 nbd
