INFERNO

Inferno is not only an operating system, it is also a complete development environment, providing all the tools necessary for creating, testing and debugging the applications that run within it... Inferno is a virtualised operating system that can run natively across a wide range of processor architectures or hosted on a wide range of operating systems... Inferno provides a powerful development environment in which to write, compile, execute and debug programs written in the Limbo language. It gives the developer a clean platform from which he can utilise an operating system which contains many new and innovative ideas and some, carefully chosen, older concepts that have survived the test of time and are likely to be familiar to most Plan 9 or Unix users.