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Mach is a so-called first generation [[microkernel]].  It is the
microkernel currently used by the [[Hurd]].

  * [[Concepts]]

  * [[Documentation]]

  * [[History]]

      * [Torvalds, Tanenbaum
        Debate](http://www.dina.dk/~abraham/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**)


# Related

  * [[Mach_Interface_Generator_(MIG)|mig]]


[[!ymlfront data="""

kernel_interface:

  "Mach 3 Kernel Interfaces.  Open Software Foundation and Carnegie Mellon
  University.  Keith Loepere, Editor.  NORMA-MK12: July 15, 1992.  [\[ps,
  HTTP\]](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.  [\[ps,
  HTTP\]](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.  [\[ps,
  HTTP\]](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.
  [\[ps,
  HTTP\]](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)."

"""]]