终端命令：
cd /home/your_user_name/.config/menus
sudo gedit applications.menu
打开的文件内容
<!-- Education -->
<Menu>
<Name>Education</Name>
<Directory>Education.directory</Directory>
<Include>
<And>
<Category>Education</Category>
</And>
</Include>
</Menu> <!-- End Education -->

<!-- Games -->
<Menu>
<Name>Games</Name>
<Directory>Games.directory</Directory>
<Include>
<And>
<Category>Game</Category>
</And>
</Include>
</Menu> <!-- End Games -->

<!-- Graphics -->
<Menu>
<Name>Graphics</Name>
<Directory>Graphics.directory</Directory>
<Include>
<And>
<Category>Graphics</Category>
</And>
</Include>
</Menu> <!-- End Graphics -->

中。如：要删除游戏菜单只需从<!-- Games -->至</Menu><!-- End Games -->删除，保存OK