"Ubuntu is an open source software operating system that runs from the desktop, to the cloud, to all your internet connected things." - https://www.ubuntu.com/

Versions overview

Codename Version EOS Kernel Python bash zfs
Focal 20.04 LTS 2025-04 5.4 3.8 5.0 0.8.3
Eoan 19.10 2010-07 5.3 2.7.17, 3.7 5.0.3 0.8.1
Disco 19.04 2020-01 5.0 2.7.16, 3.7 5.0.3 0.7.12
Bionic 18.04 LTS 2023-04 4.15 2.7.15, 3.6 4.4.20 0.7.5
Xenial 16.04 LTS 2021-04 4.4 2.7.12, 3.5 4.3.46 0.6.5
Trusty 14.04 LTS 2019-04 3.13 2.7.6 4.3.11
Precise 12.04 LTS 2017-04 3.2 2.7.3 4.2.25
Lucid 10.04 LTS 2015-04 2.6

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