If you are like me and you are always changing your desktop, moving icons around or just want a different look for the time you are on the computer then this may be handy for you.
This shortcut command will allow you to quickly hide/show the Mac OS X dock.
?-option-d
Pressing it once will hide it, pressing it for a second time will show the dock again.
It doesn’t make it go away permanently, this command only activated / disabled quick hide dock.
