Suspending a Program

  Ctrl-Z      will suspend almost any unix program;  

      fg      will return you to the program after you
              have done whatever you wanted to do.   


This trick is a huge time saver.  At times I am four levels down 
before I start fg'ing my way back.

If I lose my way, I enter:

   ps -aux|grep lcrew

That tells the computer to list everything that lcrew is doing

Enjoy cyberspace!