PDF viewer list on Ubuntu 20.04 Focal Fossa Linux - LinuxConfig.org

LinuxConfig is looking for a technical writer(s) geared towards GNU/Linux and FLOSS technologies. Your articles will feature various GNU/Linux configuration tutorials and FLOSS technologies used in combination with GNU/Linux operating system.
This is a companion discussion topic for the original entry at https://linuxconfig.org/pdf-viewer-list-on-ubuntu-20-04-focal-fossa-linux