Make CapsLock an additional Ctrl

That makes my left hand has easier life… I choose this: then change referrer links: The Flat Trantor Society: Where should the control key be? http://the-flat-trantor-society.blogspot.tw/2013/12/where-should-control-key-be.html keyboard – How do I turn Caps Lock into an extra Control key? – Ask Ubuntu http://askubuntu.com/questions/462021/how-do-i-turn-caps-lock-into-an-extra-control-key