Unhide folders in OS X

I frequently find myself having to copy or dig into the Library folder on my Mac. Apple has decided to make the folder hidden, so I usually press  CMD-SHIFT-G  on the keyboard and type out my path.  But here is another option:

Open Terminal, and type:

This will work for any folder that is hidden, and if you change your mind, just change  nohidden to  hidden to hide it again.