Get rid of that pesky Caps Lock key!

To get rid of the Caps Lock key, we just need to use xmodmap.

Open a terminal and enter:
$ xmodmap -e "remove lock = Caps_Lock" 
Now caps key is disabled.

To enable caps key, enter:
$ xmodmap -e "add lock = Caps_Lock" 

Enter the following code to add it permanently to your shell startup file ~/.bash_profile or ~/.profile file: $ echo 'xmodmap -e "remove lock = Caps_Lock"' >> ~/.bash_profile

If the above doesn't work, use the setxkbmap command instead.

To turn off caps lock key, enter:
$ setxkbmap -option ctrl:nocaps 

To reset caps lock. enter:
$ setxkbmap -option