Forgot, for anyone who hasn't wrote a script before:
Put that in a new file and name the file 'ChangeBacklight.sh'
Open up a terminal window and navigate to the directory you saved the file in, i.e 'cd ~/Desktop'
Type 'sudo chmod a+x ChangeBacklight.sh'
Then just open up the file and set the backlight.
Forgot, for anyone who hasn't wrote a script before:
Put that in a new file and name the file 'ChangeBackligh t.sh'
Open up a terminal window and navigate to the directory you saved the file in, i.e 'cd ~/Desktop'
Type 'sudo chmod a+x ChangeBacklight.sh'
Then just open up the file and set the backlight.