Its name is a play on words combining the Linux distribution Ubuntu and a Japanese onomatopoeia for a kiss, chu (ちゅ).
Each chapter is focused on a certain aspect of the Ubuntu operating system or a related topic, such as command-line interfaces, input methods, Linux Mint, or software licensing.
Besides print publication in ASCII Media Works' magazines, most of the manga's chapters are freely available online and released under a Creative Commons license.
Furthermore, a tankōbon was published in 2012 containing the first eight chapters as well as two short extra stories.
[3] Because of its release under a permissive license allowing use in derivative works, Ubunchu!