[ Thanks to Ian MacGregor for this
link. ]
“Ctrl + Alt + left arrow Switches to the workspace to
the left of the current workspace.Ctrl + Alt + up arrow Switches to the workspace above the
current workspace.Ctrl + Alt + down arrow Switches to the workspace below the
current workspace.Ctrl + Alt + d Minimizes all windows, and gives focus to the
desktop.F1 Starts the online help browser, and displays appropriate
online Help.”