Ubuntu 18.10 Make Menu Launcher
This Article shows you you Step-by-step How to Create a New Menu Launcher Main on Ubuntu 18.10 Cosmic GNU/Linux desktop.
And the Practical Example Here illustrates How to Add a Telegram App Launcher Entry into the Internet Apps Group.
Finally, this Technique is Useful for Adding Any New Software on Any GNOME Linux desktops.

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Open a Terminal Shell emulator window
Ctrl+Alt+t on desktop
(Press “Enter” to Execute Commands)
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