ShowPageBreaks
ShowPageBreaks is an option for Notebook which specifies whether to indicate in the on-screen display of a notebook where page breaks would occur if the notebook were printed.
ShowPageBreaks is often set using a menu item in the notebook front end. See also: PageBreakWithin, ScreenStyleEnvironment.
ShowPageBreaks is an option for Notebook which specifies whether to indicate in the on-screen display of a notebook where page breaks would occur if the notebook were printed. 
