how to make application start on startup debian code example

Example 1: how to make an application auto run on windows startup

1. press window + R
2. write "shell:startup"
3. add the program file to the folder

Example 2: auto start application ubuntu 18.04

Open Startup Applications in 'UBUNTU' Linux.
First you can press 'Alt + F2' and run 
'gnome-session-properties' command...