GNU/Linux Ubuntu 20.10 Booting Runlevel 3
This Guide simply shows you Step-by-step How to Boot Ubuntu 20.10 Groovy into Runlevel 3.
By default, a System Boots either to Runlevel 3 or to Runlevel 5. The Run Level 3 is the CLI Default Server Mode and Instead, Run Level 5 is the Default GUI Desktop Mode.
Especially relevant: for a Desktop first we Kill Ubuntu X Server and then go to Runlevel 3.
1. Killing X Server
How to Kill Ubuntu Desktop X Server (Skip on Server)