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Hurd

general-purpose kernel suitable for the GNU operating system

Key facts

Developer: GNU Project , Thomas Bushnell , Roland McGrath, Marcus Brinkmann, Neal Walfield, Samuel Thibault
Written in: Assembly , C
Os family: Unix-like
Working state: Current
Source model: Free software
Initial release: 1990 ; 36 years ago ( 1990 )
Repository: git .savannah .gnu .org /cgit /hurd /
Supported platforms: x86-64 , IA-32 , i686 , ARM
Kernel type: Multiserver microkernel
License: GPL-2.0-or-later
Official website: www .gnu .org /software /hurd /

via Wikipedia infobox

Article

GNU Hurd is a collection of microkernel servers written as part of GNU, for the GNU Mach microkernel. It has been under development since 1990 by the GNU Project of the Free Software Foundation, designed as a replacement for the Unix kernel, and released as free software under the GNU General Public License. When the Linux kernel proved to be a viable solution, development of GNU Hurd slowed, at times alternating between stasis and renewed activity and interest.

The Hurd's design consists of a set of protocols and server processes (or daemons, in Unix terminology) that run on the GNU Mach microkernel. The Hurd aims to surpass the Unix kernel in functionality, security, and stability, while remaining largely compatible with it. The GNU Project chose the multiserver microkernel for the operating system, due to perceived advantages over the traditional Unix monolithic kernel architecture, a view that had been advocated by some developers in the 1980s.