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-[[!meta copyright="Copyright © 2007, 2008 Free Software Foundation, Inc."]]
+[[!meta copyright="Copyright © 2007, 2008, 2010 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]]."]]"""]]
+is included in the section entitled [[GNU Free Documentation
+License|/fdl]]."]]"""]]
-[[General_information|/ipc]] about IPC.
+Read about the [[general concept of *inter-process communication* (IPC)|/ipc]].
-An IPC is sent by invoking a [[port]]. <!-- Isn't this wording a bit strange?
-``IPC is sent'' --tschwinge -->
+On Mach, an IPC is done by invoking a [[port]].
+
+The two fundamental operations, to *send* and *receive* [[message]]s, are used
+to implement a [[RPC]] system.
[[Sequence_numbering]].
[The Unofficial GNU Mach IPC beginner's guide](http://www.nongnu.org/hurdextras/ipc_guide/ipc_guide.html)
-
-# See Also
-
-* [[RPC]]