Sammy describes Plan 9 as "Some crazy Unix system some people made once. I dunno."
Plan 9 from Bell Labs is a distributed OperatingSystem, mostly used for research. It was developed to replace UNIX as the research operating system at BellLabs.
Notable features include:
- absolutely everything being a file
- being the father of UTF-8, which was invented for Plan 9
- the 9P? Distributed FileSystem