Ubuntu - Wikipedia
https://en.wikipedia.org/wiki/UbuntuUbuntu releases updated versions predictably every six months, and each release receives free support for nine months (eighteen months prior to 13.04) with security fixes, high-impact bug fixes and conservative, substantially beneficial low …
How to Update Ubuntu Linux
https://www.howtogeek.com/740795/how-to-update-ubuntu-linux27.08.2021 · How to Update Ubuntu in the Desktop You can begin updating Ubuntu in the desktop by opening Software Updater. Click the “Show Applications” button (nine boxes forming a square), or hit the Super key. Advertisement With the application menu open, start typing “Software Updater.” You should see it appear in the list of applications.