The way Ubuntu displays the control elements (File, View, Go....) for program windows may seems pretty awkward, especially if you are new to Linux. By default the menus for file-handling program are displayed directly into Ubuntu's Menu bar. This tutorial explains how to configure Ubuntu to display the menus directly in title bar of your programs:
Click on the System Settings icon located in the launcher. Then go to Appearance > Behavior.
Under Show the menus for a Window, select In the window's title bar: