Prior to version 11.10, you could use several methods to restore the original button arrangement.
To install Mwbuttons,download the Debian/Ubuntu DEB ALL file, not the tar.gz file.
The Ubuntu Software Center opens and the mwbuttons screen displays.
To install software, you must authenticate.
key in your password in the Password edit box on the Authenticate dialog box and click Authenticate.
The progress of the installation displays where the Install button was.
When the installation is done, “Installed” displays next to a check mark.
To end the Ubuntu Software Center, choose the X button on the window’s title bar.
To start mwbuttons, smack the Dash home icon on the Unity desktop.
Enter “mwbuttons” (without the quotes) in the search box.
You don’t need to press Enter.
Results are displayed as you bang out.
smack the Metacity Window Buttons icon that displays.
The Metacity Window Buttons window displays.
The maximize button is a toggle button.
Any window you open now will display the window buttons where you placed them.
To go back to the previously set button arrangement, select Restore style.
They also move to the top panel along with the menu.
If you nudge the maximize button again, the buttons go back to where you placed them.