Ubuntu is a free and open-source Linux distribution based on Debian. Ubuntu is released every six months, with long-term support (LTS) releases every two years (on April of even numbered years). Non-LTS releases are supported for nine months, while LTS releases are supported for five years.
If you are a Linux enthusiast (like me) who wants to use the latest
open source software and kernel releases, I suggest you use the non-LTS
release cycle. This setting is controlled by the value of
in the file