CTRL and A Selects all the items in the active window.
CTRL and C Copies the item or items to the Clipboard and can be pasted using CTRL and V.
CTRL and Z Undoes the last action.
CTRL while dragging an item Copy the selected item
CTRL+ESC Display the Start menu
ALT+ENTER View the properties for the selected item
ALT+TAB Switch between the open items
F4 key Display the Address bar list in My Computer or Windows Explorer
Windows Logo+PAUSE Display the System Properties dialog box
Windows Logo+D Display the desktop
Windows Logo+E Open My Computer
Windows Logo+F Search for a file or a folder
Windows Logo+ L Lock the keyboard
Windows Logo+U Open Utility Manager
NUM LOCK+Asterisk sign (*) Display all of the subfolders that are under the selected folder
