Basic Shortcut Keys.
Online help: F1
Left menu on cursor: F10
Open window: Alt+F1
Open command window: Alt+F2
Close window: Alt+F4
Move window: Alt+F7
Resize window: Alt+F8
Toggle maximization state: Alt+F10
New: Ctrl+N
Cut: Ctrl+X
Copy: Ctrl+C
Paste: Ctrl+P
Undo: Ctrl+Z
Save: Ctrl+S
Quit: Ctrl+Q
Screenshot: Print
Screenshot of a window: Alt+Print
Screenshot of an Area: Shift+Print
Screenshot to clipboard: Ctrl+Print
Screenshot of a window to clipboard: Ctrl+Alt+Print
Screenshot of an area to clipboard: Shift+Ctrl+Print
Record a short screencast: Shift+Ctrl+Alt+R
Move window one workspace to the left: Shift+Ctrl+Alt+Left
Move window one workspace to the right: Shift+Ctrl+Alt+Right
Move window one workspace up: Shift+Ctrl+Alt+Up
Move window one workspace down: Shift+Ctrl+Alt+Page Down
Minimizes all window: Ctrl+Alt+D
Activate the window menu: Alt+Space