[[meta copyright="Copyright © 2007, 2008 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]]."]]"""]]

  - [Meet Mach](http://www.stepwise.com/Articles/Technical/MeetMach.html), a
    summary of Mach's history and main concepts.

  - OSF's [Kernel Interface (ps)](ftp://ftp.cs.cmu.edu/afs/cs/project/mach/public/doc/osf/kernel_interface.ps)
    [Kernel Interface (pdf)](http://shakthimaan.com/downloads/hurd/kernel_interface.pdf) 

  - OSF's [Kernel Principles (ps)](ftp://ftp.cs.cmu.edu/afs/cs/project/mach/public/doc/osf/kernel_principles.ps) 
    [Kernel Principles (pdf)](http://shakthimaan.com/downloads/hurd/kernel_principles.pdf)

  - [Porting and Modifying the Mach 3.0 Microkernel](http://shakthimaan.com/downloads/hurd/Porting%20and%20Modifying%20the%20Mach%203.0%20Microkernel.pdf)

  - [An IO System for Mach](http://shakthimaan.com/downloads/hurd/An%20IO%20System%20for%20Mach.pdf)

  - [A Programmers' Guide to Mach System Call](http://shakthimaan.com/downloads/hurd/A.Programmers.Guide.to.the.Mach.System.Calls.pdf)