> For the complete documentation index, see [llms.txt](https://weihanglo.gitbook.io/debian-server-for-r-computing/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://weihanglo.gitbook.io/debian-server-for-r-computing/install_debian.md).

# Install Debian

![](https://www.debian.org/logos/openlogo.svg)

[Debian](https://github.com/weihanglo/debian-server-for-r-computing/tree/e0995ad9ef9de15498e98618a7ce677adb78c75c/doc/www.debian.org) is a Unix-like computer operating system that is composed entirely of free software, most of which is under the GNU [General Public License](https://en.wikipedia.org/wiki/GNU_General_Public_License) (GPL), and packaged by a group of individuals known as the Debian Project. Three main branches are offered: Stable, Testing and Unstable.\
[(from wikipedia)](https://en.wikipedia.org/wiki/Debian)