General folder/shortcut control
F4: Selects the Go To A Different Folder box and moves down the entries in the box (if the toolbar is active in Windows Explorer)
F5: Refreshes the current window.
F6: Moves among panes in Windows Explorer
CTRL+G: Opens the Go To Folder tool (in Windows 95 Windows Explorer only)
CTRL+Z: Undo the last command
CTRL+A: Select all the items in the current window
BACKSPACE: Switch to the parent folder
SHIFT+click+Close button: For folders, close the current folder plus all parent folders
For more Info : මෙන්න මේ ලින්කු බලන්න :
http://support.microsoft.com/kb/301583
http://support.microsoft.com/kb/126449
චුටි බබත් දන්නවනේ බං F5 එක ගැන මම හිතුව උඹ කෝචොක් පාරක් දැම්ම කියල 
