An operating system kernel designed with simplicity, readability, and elegance in mind. No longer written from scratch, but built on "the shoulder of giants." Specifics are given in the CREDITS file starting from v0.04
Uniform Driver Interface -- Public SourceCode for runtime environments and drivers based on the UDI Specifications. Single source image for a driver, built once for each ABI (IA32, Sparc, etc.) and then run on any OS that provides UDI!