I really love Ubuntu with Unity, especially top bar - it really saves space. But it drives me mad, when I work with many windows. Every windows has its own title bar which wastes space.
How to disable title bar in non full window mode?
You can use the following command:
gsettings set com.canonical.Unity integrated-menus true
It will set application menu on title bar.
Instead, if you want to have all applications menu on the top bar change
true value to
Update: if you are not confident with command line, you can use the graphic interface:
System Settings, then select
Behavior tab and you can change the option you are looking for in the
Show the menus for a window area.