By saving the current size and position of panels as a named workspace, you can restore that workspace even if you move or close a panel. The names of saved workspaces appear in the Window > Workspace menu.
In Photoshop, the saved workspace can include a specific keyboard shortcut set and menu set.
Flash, Illustrator, InDesign, and Photoshop include preset workspaces designed to make certain tasks easier.
When you start Photoshop, palettes can either appear in their original default locations, or appear as you last used them.
To display palettes in their last locations on startup, select Remember Palette Locations.
To display palettes in their default locations on startup, deselect Remember Palette Locations.