sh-3.2# ls -l /dev/
total 0
crw-rw-rw- 1 root root 1, 7 Jul 23 18:55 full
crw-rw-rw- 1 root root 1, 3 Jul 23 18:55 null
crw-rw-rw- 1 root root 5, 2 Jul 24 11:41 ptmx
drwxr-xr-x 2 root root    0 Jan  1  1970 pts
crw-rw-rw- 1 root root 1, 8 Jul 23 18:55 random
crw-rw-rw- 1 root root 5, 0 Jul 23 18:55 tty
crw-rw-rw- 1 root root 1, 9 Jul 23 18:55 urandom
crw-rw-rw- 1 root root 1, 5 Jul 23 18:55 zero