[//]: # ([[meta copyright="Copyright © 2007, 2008, 2010, 2012 Free Software Foundation, Inc."]]) [[!meta license="""[[!toggle id="license" text="GFDL 1.2+"]][[!toggleable id="license" text="Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.2 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 section entitled [[GNU Free Documentation License|/fdl]]."]]"""]] [[!meta title="Mach"]] Mach is a so-called first generation [[microkernel]]. Originally developed by Carnegie Mellon University (CMU) from 1985 to 1994, which was then forked and carried from 1996 onward by GNU. It is the microkernel currently used by the [[Hurd]]. * [[Concepts]] * [[Deficiencies]] * [[Documentation]] * [[History]] * [Torvalds, Tanenbaum Debate](http://choices.cs.illinois.edu/cache/Linus_vs_Tanenbaum.html) # Implementations * [[GNU_Mach|gnumach]] * [Apple's Darwin](http://developer.apple.com/darwin/) ([API](http://developer.apple.com/documentation/Darwin/Conceptual/KernelProgramming/index.html)) (**non-free**) * [[open_issues/OSF_Mach]] # Related * [[Mach_Interface_Generator_(MIG)|mig]] [[!ymlfront data=""" kernel_foundation_unix: "M. Accetta, R. Baron, W. Bolosky, D. Golub, R. Rashid, A. Tevanian, and M. Young, Mach: A New Kernel Foundation for UNIX Development, USENIX Conference Proceedings, July 1986. Paper [\[pdf\]](http://www.cs.toronto.edu/~demke/469F.06/Handouts/mach_usenix86.pdf)." kernel_interface: "Mach 3 Kernel Interfaces. Open Software Foundation and Carnegie Mellon University. Keith Loepere, Editor. NORMA-MK12: July 15, 1992. Book [\[ps (HTTP)\]](http://www.cs.cmu.edu/afs/cs/project/mach/public/doc/osf/kernel_interface.ps), [\[ps (FTP)\]](ftp://ftp.cs.cmu.edu/afs/cs/project/mach/public/doc/osf/kernel_interface.ps)." kernel_principles: "Mach 3 Kernel Principles. Open Software Foundation and Carnegie Mellon University. Keith Loepere. NORMA-MK12: July 15, 1992. Book [\[ps (HTTP)\]](http://www.cs.cmu.edu/afs/cs/project/mach/public/doc/osf/kernel_principles.ps), [\[ps (FTP)\]](ftp://ftp.cs.cmu.edu/afs/cs/project/mach/public/doc/osf/kernel_principles.ps)." server_interface: "Mach 3 Server Writer’s Interfaces. Open Software Foundation and Carnegie Mellon University. Keith Loepere, Editor. NORMA-MK12, user15: July 15, 1992. Book [\[ps (HTTP)\]](http://www.cs.cmu.edu/afs/cs/project/mach/public/doc/osf/server_interface.ps), [\[ps (FTP)\]](ftp://ftp.cs.cmu.edu/afs/cs/project/mach/public/doc/osf/server_interface.ps)." server_writer: "Mach 3 Server Writer’s Guide. Open Software Foundation and Carnegie Mellon University. Keith Loepere, Editor. NORMA-MK12, user15: July 15, 1992. Book [\[ps (HTTP)\]](http://www.cs.cmu.edu/afs/cs/project/mach/public/doc/osf/server_writer.ps), [\[ps (FTP)\]](ftp://ftp.cs.cmu.edu/afs/cs/project/mach/public/doc/osf/server_writer.ps)." vm: "R. Rashid, A. Tevanian, M. Young, D. Golub, and R. Baron, Machine-Independent Virtual Memory Management for Paged Uniprocessor and Multiprocessor Architectures, 2nd ACM Symposium on Architectural Support for Programming Languages and Operating Systems (ASPLOS), October 1987. Paper [\[pdf\]](http://citeseerx.ist.psu.edu/viewdoc/download?doi=10.1.1.111.7918&rep=rep1&type=pdf), presentation [\[ppt\]](http://www2.cs.uh.edu/~paris/6360/PowerPoint/Mach.ppt)." """]]