Adobe Illustrator 9 Select/Copy keyboard shortcuts keys

Shortcut                                  Command
Cmnd-6	Select Again (last used command on Edit menu > Select submenu) in Adobe Illustrator
Cmnd	Use last-used selection tool (any non-selection tool chosen)
Cmnd-Ctrl-Tab	Toggle between Selection tool and Direct-selection tool or Group-selection tool
Optn	Toggle between Group-selection and Direct-selection tools in Adobe Illustrator
Cmnd-A	Select All
Cmnd-Shft-A	Deselect All
Cmnd-Optn-[- click	Select an object hidden behind another object
Shft-drag	Add to selection with either lasso tool in Adobe Illustrator
Optn-drag	Subtract from selection with either lasso tool