f: /bin/udevadm
drwxr-xr-x root root /
drwxr-xr-x root root bin
-rwxr-xr-x root root udevadm
f: /usr/bin/udevadm
drwxr-xr-x root root /
drwxr-xr-x root root usr
drwxr-xr-x root root bin
                      udevadm - File o directory non esistente
f: /lib
drwxr-xr-x root root /
drwxr-xr-x root root lib
f: /usr/lib/systemd/systemd-udevd
drwxr-xr-x root root /
drwxr-xr-x root root usr
drwxr-xr-x root root lib
drwxr-xr-x root root systemd
lrwxrwxrwx root root systemd-udevd -> /bin/udevadm
drwxr-xr-x root root   /
drwxr-xr-x root root   bin
-rwxr-xr-x root root   udevadm