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从gnu.org上看到的gnu/linux列表：
All of the distributions that follow are installable to a computer hard drive and most can be run live. They are listed in no particular order.

gNewSense, a GNU/Linux distribution based on Debian and Ubuntu, with sponsorship from the FSF.

Ututo, a GNU/Linux distribution based on Gentoo. It was the first fully free GNU/Linux system recognized by the GNU Project.

Dynebolic, a GNU/Linux distribution that places special emphasis on audio and video editing.

Musix GNU+Linux, a GNU+Linux distribution based on Knoppix, with special emphasis on audio production.

BLAG, BLAG Linux and GNU, a GNU/Linux distribution based on Fedora.

GNUstep, a GNU/Linux distribution using the GNUStep desktop. Its initial purpose was to serve as a free implementation of the OpenStep framework.

gnu上的解释：
If a distribution does not appear in this list, there's a small chance that it qualifies and we do not know it; however, almost certainly it contains or distributes non-free software.  

而debian.org的说法：

Debian 是什么？
Debian 是一套为了您的计算机所设计的自由操作系统 (OS)。 操作系统是使计算机运行的基本程序和工具的集合。Debian 使用 Linux 核心（操作系统的最重要部份），但大部份的基本工具则来自 GNU 计划，因此我们称为 GNU/Linux。  

哈哈哈，娱乐娱乐一下。