Editing V (operating system) (section)

{{Short description|Microkernel operating system}}
{{for |the Unix variant |UNIX System V}}
{{Infobox OS
| name = V
| logo = 
| screenshot = 
| caption = 
| developer = [[David Cheriton]]
| family = [[Distributed operating system]]
| working state = Discontinued
| source model = 
| released = {{Start date and age|1981}}
| latest release version = Final
| latest release date = {{Start date and age|1988}}
| marketing target = Research
| language = English
| programmed in = [[C (programming language)|C]]
| update model = Compile from [[source code]]
| package manager = 
| supported platforms = [[Workstation]]s:<br/>[[SUN workstation|SUN]], [[MicroVAX]], [[DEC Firefly]]
| kernel type = [[Microkernel]]
| userland = 
| ui = VGTS
| license = [[Stanford University]]
| preceded by = [[Thoth (operating system)|Thoth]], Verex
| succeeded by = 
| website = 
}}

The '''V''' operating system (sometimes written '''V-System''') is a discontinued [[microkernel]] [[Distributed operating system|distributed]] [[operating system]] that was developed by faculty and students in the [[Distributed computing|Distributed Systems]] Group at [[Stanford University]] from 1981 to 1988, led by Professors [[David Cheriton]] and Keith A. Lantz.<ref name="site">{{cite web |url=http://dsg.stanford.edu/History.html |title=Past Research in the DSG |date=20 July 1995 |access-date=14 September 2020 |website=Distributed Systems Group |archive-url=https://web.archive.org/web/20120727195157/http://dsg.stanford.edu/History.html |archive-date=27 July 2012}}</ref> V was the successor to the [[Thoth (operating system)|Thoth]] operating system and Verex [[Kernel (operating system)|kernel]] that Cheriton had developed in the 1970s.<ref>{{cite book |title=The Thoth system: multi-process structuring and portability |year=1982 |last=Cheriton |first=David R. |author-link=David Cheriton |publisher=North-Holland |isbn=0-444-00701-6}}</ref><ref>{{cite book |last=Cheriton |first=David R. |title=Proceedings of the ACM '81 conference on - ACM 81 |chapter=The design of a distributed kernel |date=January 1981 |author-link=David Cheriton |pages=46–52 |doi=10.1145/800175.809831 |isbn=0-89791-049-4|s2cid=14212831 }}</ref> Despite similar names and close development dates, it is unrelated to [[UNIX System V]].