Not too surprising, seeing as both the PS3 [http://www.scei.co.jp/ps3-license/] and Vita [http://www.scei.co.jp/psvita-license/] also run modified versions of FreeBSD.
Details about Playstation 4 OS developmentWe have some details about the development of the Playstation 4 OS. The Operating System is called “Orbis OS”. It is a modified version of FreeBSD 9.0. We aren’t sure if this will bring again the “Other OS” functions to Playstation 4 (remember that this option enabled Playstation 3 to in