How to disable global menu in Ubuntu system?

Ubuntu 11.04 onwards, a new feature has been added called the global menu, which is a common menu bar shared by all applications (shown above). Most of us have been used to each application window having its own menu bar. A global menu is available on the top panel of the Unity desktop, regardless of where the application window is. If the application window in the lower right corner of your screen is resized to small, the application's menu bar remains on the top panel. This can be confusing and uncomfortable if you're not used to it. This experience mainly refers to "This is How Linux Should Be Learned". If you don't like the new global menu and want to move the menu bar back to each application window, we will show you how to disable the global menu.

1. Press Ctrl Alt T to open the terminal window. Type the following command at the prompt, and then press Enter.

sudo apt-get autoremove appmenu-gtk appmenu-gtk3 appmenu-qt

Note: You can also copy and paste commands at the prompt. To paste text at the prompt, right-click the Terminal window and select Paste from the pop-up menu.

2. The current status of your system is read and a message is displayed telling you which packages will be removed and how much disk space the operation will free. When asked if you want to continue, type "Y" (without the quotes ) and press Enter.

3. Three packages will be deleted and the prompt will be returned. To close the terminal window, type "exit" ( again, without the quotes) and press Enter.

4. You do not have to restart for the changes to take effect. Simply close any open application windows and reopen the application. Each application's menu bar should now be in its own application window. If not, log off or restart your computer.

5. Deleting the global menu function will not delete it from the Firefox window. To do this, you must disable the global menu bar integration add-on in Firefox. To do this, select Add-ons from the Tools menu in Firefox.

6. The add-on manager will open in a new tab. Click the Extensions tab (using the puzzle piece icon) to see a list of currently installed extensions.

7. Click the disable button of the global menu bar integrated extension.

8. You must restart Firefox for this change to take effect. Click the Restart now link.

9. When Firefox restarts, the menu bar will be located in the Firefox window below the title bar as usual.

10. If you want a global menu, you can use the following command in a terminal window to enable it, just like you would run the command to disable it.

sudo apt-get install appmenu-gtk appmenu-gtk3 appmenu-qt

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