Ubuntu is a Linux distribution based on Debian and composed mostly of free and open-source software. Ubuntu is officially released in multiple editions: Desktop, Server, and Core for Internet of things devices and robots. Wikipedia
Available in: More than 55 languages by LoCos
Initial release: Ubuntu 4.10 (Warty Warthog) / 20 October 2004 (19 years ago)
License: Free software + some proprietary device drivers
Marketing target: Cloud computing, personal computers, servers, supercomputers, IoT
OS family: Linux (Unix-like)
Package manager: GNOME Software, dpkg (APT), Snap – graphical front-end: Snap Store