For the really nerdy amongst us I've found Plan-9 for the Raspberry Pi
"Plan 9 from Bell Labs is a research system developed at Bell Labs
starting in the late 1980s. Its original designers and authors were Ken
Thompson, Rob Pike, Dave Presotto, and Phil Winterbottom. They were
joined by many others as development continued throughout the 1990s to
It was what Bell Labs thought about improving UNIX.
W00T! is all I can say
Alec Clews <[address removed]>