UBUNTU By kimberly4455664556456456 Oct 21, 2015 UBUNTU 16 Apr 13, 2017 UBUNTU 17.04 Apr 26, 2018 UBUNTU 18.04 Apr 18, 2019 UBUNTU 19.04 Apr 23, 2020 UBUNTU 20.04 Apr 21, 2022 UBUNTU 22.04