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[[!meta copyright="Copyright © 2004, 2006, 2007, 2008, 2010, 2011, 2012, 2013
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
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Sections, no Front-Cover Texts, and no Back-Cover Texts. A copy of the license
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License|/fdl]]."]]"""]]
The [*L4* microkernel](http://l4ka.org/) is an attempt to create a very small
high performace core which provides basic memory management, task and context
switching, and little else.
[L4Ka Pistachio Home](http://l4ka.org/projects/pistachio/).
See [l4.verified](http://nicta.com.au/research/projects/l4.verified) for work
on formally verifying an L4 microkernel.
* {{$sel4}}
There was a GNU/Hurd [[port to L4|history/port_to_another_microkernel]], which
is now stalled.
# IRC, freenode, #hurd, 2012-08-02
<mcsim> If someone interested, there is a channel with lectures about
Genode and L4: http://www.youtube.com/user/drsartakov?feature=watch
# IRC, freenode, #hurd, 2013-08-26
< Spyro> also
< Spyro> what's the basic difference between mach and L4?
< braunr> l4 is a nanokernel whereas mach is a hybrid with high level
messaging and virtual memory services
[[!ymlfront data="""
sel4:
"G. Klein, K. Elphinstone, G. Heiser, J. Andronick, D. Cock, P. Derrin,
D. Elkaduwe, K. Engelhardt, R. Kolanski, M. Norrish, T. Sewell, H. Tuch, and
S. Winwood. seL4: Formal verification of an OS kernel. In Proceedings of
the ACM Symposium on OS Principles, Big Sky, MT, USA, October 2009."
"""]]
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