Use this command to split the active window into panes. You may then use the mouse or the keyboard arrows to move the splitter bars. When you are finished, press the mouse button or enter to leave the splitter bars in their new location. Pressing esca pe keeps the splitter bars in their original location. << In a single document interface application, this command will appear on the View menu. >>1, 2, ... command (Window menu)

CleanReg displays a list of currently open document windows at the bottom of the Window menu. A check mark appears in front of the document name of the active window. Choose a document from this list to make its window active.