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[//]: # ([[meta copyright="Copyright © 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]]."]]"""]]
[[!meta title="Challenges"]]
The GNU Hurd has a lot of [[advantages]], but there are challenges, too.
Some of these are explained in the [[hurd/critique]].
Even though they're quite popular in the simpler embedded space, there is no
successful true multi-server [[microkernel]] system for general-purpose desktop
use yet. This is still an ongoing research effort. Also the Hurd is not the
only multiserver operating system. Other examples include:
[[Genode OS|https://genode.org/]] (FOSS), [[MINIX 3|https://www.minix3.org/]] (FOSS),
[[HELON OS|http://www.helenos.org/]] (FOSS), [[Redox OS|https://www.redox-os.org/]],
and [[QNX|https://blackberry.qnx.com/en]] (proprietary).
Likewise, [[resource scheduling|open_issues/multiprocessing]] in distributed operating system kernels is a
research topic. The GNU/Hurd also has
[[open_issues/resource_management_problems]]. The [[microkernel/Viengoos]]
research kernel project strives to fix these issues, but its development has ended.
TODO: more to come. [[!tag open_issue_documentation]]
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