3 device-major cons char 0
4 device-major ctty char 1
5 device-major mem char 2
6 #device-major wd char 3
7 device-major swap char 4 block 1 vmswap
8 device-major pts char 5 pty
9 device-major ptc char 6 pty
10 device-major log char 7
11 device-major com char 8 com
12 device-major md char 24 block 17 md