See also: GNU | Debian | FSF Linux Distributions

From the GNU/Hurd home page:

The GNU Hurd is the GNU project’s replacement for the Unix kernel. The Hurd is a collection of servers that run on the Mach microkernel to implement file systems, network protocols, file access control, and other features that are implemented by the Unix kernel or similar kernels (such as Linux).

From the Hurd homepage:

The Hurd ( is a set of servers running on top of the GNU Mach microkernel. Together they build the base for the GNU ( operating system.
Currently, Debian is only available for Linux, but with Debian GNU/Hurd we have started to offer GNU/Hurd as a development, server and desktop platform, too. However, Debian GNU/Hurd is not officially released yet, and won’t be for some time.

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