"Plan 9 shows up in lots of different types of applications, making use of different benefits. It is used in embedded systems, where the low overhead is importa

"Plan 9 shows up in lots of different types of applications, making use of different benefits. It is used in embedded systems, where the low overhead is important. It is used in commercial products where the reliability and performance are important. It's used in massive supercomputers where the novel interconnections and low "system noise" are needed. What you get out of it largely depends on what you're looking for from it." http://plan9.bell-labs.com/wiki/plan9/faq/index.html#ABOUT_PLAN_9 http://plan9.bell-labs.com/wiki/plan9/faq/index.html#ABOUT_P...