PS4 runs Orbis OS, a modified version of FreeBSD that’s similar to Linuxhttp://www.extremetech.com/gaming/159476-ps4-runs-orbis-os-a-modified-version-of-freebsd-thats-similar-to-linux by SkippyZA • 13 years ago 2 0 13 years agoEXextremetech.com