This article will guide you on how to uninstall programs from Debian 10. The first method can be used if you prefer #GUI over #CLI. The second method can be used if you only intend to delete a program without its configuration files. The third mthod can be used if you intend to delete a program along with all of its configuration files. Finally, the fourth mthod can be used if you want to get rid of all the unused packages and dependencies altogether.
Whenever you add a repository using "add-apt-repository" command, it will be stored in /etc/apt/sources. list file.
To delete a software repository from Ubuntu and its derivatives, just open the /etc/apt/sources. list file and look for the repository entry and delete it.
Running sudo apt-get update (or sudo aptitude update ) updates this on your local system. This is the step that actually retrieves information about what packages can be installed, including what updates to currently installed packages packages are available, from Internet sources.
To Uninstall Programs on #Debian:
1. Go to the Installed tab.
2. It will list all the installed #applications in your system.
3. From the list, search for the application you want to #uninstall and click the Remove button in front of it.
4. When you click the Remove button, the following message will appear for you to confirm the decision.