<P> In most operating systems, if the Page Up or Page Down key is pressed along with the ⇧ Shift key in editable text, all the text scrolled over will be highlighted . </P> <P> In some applications, the Page Up and Page Down keys behave differently in caret navigation (toggled with the F7 function key in Windows). For a claimed 30% of people, the paging keys move the text in the opposite direction to what they find natural, and software may contain settings to reverse the operation of these keys to accommodate that . </P> <P> In August 2008, Microsoft received the patent #7,415,666 for the functions of the two keys--Page Up & Page Down . </P>

Ctrl + page up will take you to