grep: /proc/modules: permission denied (non root) [closed]

#ls -l
total size 2548
drwxrwxrwx. 14 kali kali 4096 jun 29 2010 compat-wireless-2010-06-28
-rwxrwxrwx. 1 kali kali 2596324 nov 8 21:13 compat-wireless-2010-06-28.tar.bz2

#sudo su
[sudo] pas….

#cd compat-wireless-2010-06-28

#make unload
/sbin/modprobe: invalid option — ‘l’
/sbin/modprobe: invalid option — ‘l’
stoping bluetooth service…
stopping blutooth: /user/sbin/bluetoothd.
pidof: stat failed for /proc/32503/root

bluetooth is not running .. failed!
grep: /proc/modules: permission denied
grep: /proc/modules: permission denied
grep: /proc/modules: permission denied
grep: /proc/modules: permission denied