2 Prime  main window
After running Prime, you are faced with a window that has the following 
components:
Menu bar
At the top of the window. Contains menus: File, Edit, and Help. The details of
these menus can be found under See Menus.
Main Window
The rest of the main window has three parts:
-  
Directory view (left side): you can navigate the directory tree of the current
working directory
-  
File view (right side): navigate/select files in the current dir
-  
Bottom view: shows the current working directory and the number of selected 
items