ls -l /etc/acpi/ output

james@james-Inspiron-N4010:~$ ls -l /etc/acpi/
total 40
-rwxr-xr-x 1 root root  391 Apr 30  2013 asus-keyboard-backlight.sh
-rwxr-xr-x 1 root root  180 Apr 30  2013 asus-wireless.sh
-rwxr-xr-x 1 root root  262 Dec 31 14:51 brightness-down.sh
-rw-r--r-- 1 root root  267 Dec 31 14:54 brightness-up.sh
-rw-r--r-- 1 root root  532 Dec 31 14:28 brightness-up.sh.save
drwxr-xr-x 2 root root 4096 Oct 16 15:03 events
-rwxr-xr-x 1 root root  608 Apr 30  2013 ibm-wireless.sh
-rwxr-xr-x 1 root root 2176 Aug 16 10:54 powerbtn.sh
-rwxr-xr-x 1 root root  455 Apr 30  2013 tosh-wireless.sh
-rwxr-xr-x 1 root root  238 Apr 30  2013 undock.sh