List installed packages on Ubuntu 20.04 Focal Fossa Linux - LinuxConfig.org

The objective of this tutorial is to provide the reader with an information on how to list installed packages on Ubuntu 20.04 Bionic Beaver Linux Desktop and Server
This is a companion discussion topic for the original entry at https://linuxconfig.org/list-installed-packages-on-ubuntu-20-04-focal-fossa-linux

Thanks for the information provided. I’m trying to resolve extended display issues with my current installation. This tutorial helped get package information that will hopefully be of use in resolving.
Colin