Show / hide mac osx dock with a keyboard shortcut Show / hide mac osx dock with a keyboard shortcut HomedockShow / hide mac osx dock with a keyboard shortcutby Jonathan Mitchell Sep 11th, 2012 Mar 24th, 2013 I must have missed this one in the past, because it came as a surprise when I was trying to do something else.if you press cmd + alt + D then the dock will be hidden, or unhidden.:)Click to share on Google+ (Opens in new window)Click to share on Facebook (Opens in new window)Click to share on Twitter (Opens in new window)Click to share on Reddit (Opens in new window)Click to share on LinkedIn (Opens in new window)Click to share on Telegram (Opens in new window) dock hide keyboard mac osx