Adobe Photoshop CS4 Keys for using the Paths panel keyboard shortcuts keys

Shortcut                             Command
Cmnd + Shft-click pathname	Add path to selection
Cmnd + Optn-click pathname	Subtract a path from selection
Cmnd + Shft + Optn-click pathname	Retain intersection of path as a selection
Cmnd + Shft + H	Hide path
Optn-click button	Set options for Fill Path with Foreground Color button, Stroke Path with Brush button, Load Path as a Selection button, Make Work Path from Selection button, and Create New Path button