# Ubuntu / Debian Debian is a free and open-source Linux distribution developed by the Debian Project, an all volunteer software community organization. Debian is the upstream distribution of Ubuntu. Ubuntu is a free and open-source Linux distribution based on Debian. Ubuntu is available in three versions Desktop, Server and Core. Visit the following resources to learn more: - [Debian Website](https://www.debian.org/) - [Official Debian Documentation](https://www.debian.org/doc/) - [Debian Installation Guide](https://www.debian.org/releases/stable/installmanual) - [Ubuntu Website](https://ubuntu.com/) - [Ubuntu Documentation](https://help.ubuntu.com/) - [Install Ubuntu Desktop Documentation](https://ubuntu.com/tutorials/install-ubuntu-desktop#1-overview) - [Getting Started with Ubuntu Tutorials](https://itsfoss.com/getting-started-with-ubuntu/) - [The Linux Command Line by William Shotts](https://linuxcommand.org/tlcl.php)