Ubuntu uses Unity GUI (Graphical User Interface) and it has a great feature which is handy for running the application which you frequently use. While working with Linux, you may want to run your scripts (shell, Perl, Python, etc.) and you want to add your script to your launcher menu.
There are two ways to add your own icon in Ubuntu launcher (sidebar), you can write the icon script your self or you can use wizard. In the following post I have described how to add your custom icon (to run your custom script) to your application list and also your launcher menu.