Ubuntu is a Linux distribution based on Debian and composed mostly of free and open-source softwareIt is officially released in three editions:
Ubuntu is a very popular operating system for cloud computing. It is released each six months, with long-term support (LTS) releases every two years.
Ubuntu 20.04 ("Focal Fossa") was released in April of 2021, and will be have general support through April of 2025, and security support through April of 2030. The next LTS release will be 22.04 ("Jammy Jellyfish"), and is slated for release in April of 2022.