资料来源 : Free On-Line Dictionary of Computing

window manager
     
         A part of a {window system} which arranges
        windows on a screen.  It is responsible for moving and
        resizing windows, and other such functions common to all
        applications.
     
        Examples from the {X Window System} are {twm}, {gwm}, {olwm}.
     
        (1994-12-06)