Linux: Add menu items to GNOME

These text files can be found in /usr/share/applications/.

Before you start making the text file for your own menu link, you need to either find an icon to use that’s already in the pixmaps folder, or make an icon & place it in the pixmaps folder yourself.
The pixmaps folder is the standard folder for holding the icons of programs & can be found at /usr/share/pixmaps/.
Icons need to be 48×48 pixels size wise & in the .png format.
Once you have your icon sorted out, you can start creating your link..
sudo gedit /usr/share/applications/nameofyourprogram.desktop
Make sure that the name of your programs all lower case letters only & you must add .desktop to the end of it..

Example: speedpad.desktop