Editing List of operating systems (section)

==Capability-based==
* [[Cambridge CAP computer]] – operating system demonstrated the use of security capabilities, both in hardware and software, also a useful fileserver, implemented in [[ALGOL 68C]]
* [[Flex machine]] – Custom microprogrammable hardware, with an operating system, (modular) compiler, editor, * garbage collector and filing system all written in [[ALGOL 68]].
* [[Hydra (operating system)|HYDRA]] – Running on the [[C.mmp]] computer at [[Carnegie Mellon University]], implemented in the programming language [[BLISS]]<ref>{{cite web|title=Reflections in a pool of processors - An experience report on C.mmp/Hydra|url=https://www.cs.auckland.ac.nz/courses/compsci703s1c/resources/WulfHarbison.pdf|page=945|first1=William A.|last1=Wulf|first2=Samual P.|last2=Harbison|publisher=University of Auckland|access-date=2013-09-21}}</ref>
* [[KeyKOS]] nanokernel
** [[Extremely Reliable Operating System|EROS]] microkernel
* [[V (operating system)|V]] – from Stanford, early 1980s<ref name="capabook"/>
*[[HarmonyOS|HarmonyOS NEXT]]<ref>{{cite web |last1=Děcký |first1=Martin |title=Microkernel-based and Capability-based Operating Systems |url=https://d3s.mff.cuni.cz/files/teaching/nswi161/martin-decky-microkernels-capabilities.pdf |website=D3S |access-date=23 December 2023}}</ref>
*[[Fuchsia (operating system)|Google Fuchsia]]
*[[Phantom OS]]<ref>{{cite web |last1=Dziuba |first1=Ted |title=Russian rides Phantom to OS immortality |url=https://www.theregister.com/2009/02/03/phantom_russian_os/ |website=The Register |access-date=1 January 2024}}</ref>