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GNU Mach
GNU Mach is the microkernel of the GNU system. A microkernel provides only a limited functionality, just enough abstraction on top of the hardware to run the rest of the operating system in user space. The GNU Hurd servers and the GNU C library implement the POSIX compatible base of the GNU system on top of the microkernel architecture provided by Mach. Currently, GNU Mach runs on IA32 machines. GNU Mach should, and probably will, be ported to other hardware architectures in the future. Mach was ported to many operating systems in the past.


User reference manual available in HTML, PostScript, and TexInfo formats from

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Heckert gnu.small.png This is a GNU package:gnumach


Download version 1.5 (stable)
released on 15 April 2015

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Related Projects


LicenseVerified byVerified onNotes
GPLv2orlaterJanet Casey8 June 2004

Leaders and contributors

Thomas Schwinge Maintainer

Resources and communication

Audience Resource type URI
Bug Tracking,Developer E-mail
Support E-mail
Developer VCS Repository Webview

Software prerequisites

Kind Description
Required to build mig

This entry (in part or in whole) was last reviewed on 5 October 2015.


Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.3 or any later version published by the Free Software Foundation; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts. A copy of the license is included in the page “GNU Free Documentation License”.

The copyright and license notices on this page only apply to the text on this page. Any software or copyright-licenses or other similar notices described in this text has its own copyright notice and license, which can usually be found in the distribution or license text itself.

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