1. A method of enhancing the efficiency of user manipulation of a plurality of object owned windows which are simultaneously open in a graphic user interface on a computer system, the method comprising the steps of: maintaining for each of a plurality of objects, an object list of opened windows owned by each object; monitoring user inputs to the computer system for a user request for a window list; responsive to suer request for the window list, retrieving each object list and, for object lists having a single opened window, adding a window entry to the window list and for object lists having a plurality of opened windows, adding an object entry and a plurality of window entries to the window list each entry in the window list including a title identifying each object or owning object and a description; displaying the window list such that a user may select an entry therefrom; responsive to user selection of an object title entry, assigning all opened windows belonging to the object to a selection list; responsive to user selection of an entry including a window description, assigning the associated open window to the selection list; and thereafter, displaying a menu of permitted actions for all entries in the selection list wherein user manipulation of said plurality of object ownded windows is enhanced.