Not to be confused with the Dyson vacuum cleaners, Dyson OS is an attempt at becoming a general purpose operating system based on Debian while using the Solaris-derived Illumos kernel.
The goals of Dyson aren’t far off from StormOS that was an OS trying to run Ubuntu off OpenSolaris. Besides using the Illumos/OpenSolaris kernel, Dyson is looking to ultimately become an official Debian port — similar to the Debian GNU/kFreeBSD port that runs the Debian userland atop the FreeBSD kernel.