Playstation 4 will run on a modified version of FreeBSD 9.0 / Sudo Null IT News
What did Sony use or create from scratch in order to display games for PS4 with their FreeBSD based OS? : r/freebsd
PS4: FreeBSD 9 Under The Covers. Why This Matters. - General Discussion
Open Source Software Used In Playstation 4, The Console Runs FreeBSD Kernel | Unixmen
FreeBSD Archives - Wololo.net
SteamOS on PS4 a possibility in the near future? - Wololo.net
PS4 runs Orbis OS, a modified version of FreeBSD that's similar to Linux - ExtremeTech
Alexandro Sanchez on Twitter: "Several real-time VM introspection tools for guest FreeBSD/Orbis kernels recently arrived in Orbital. Now you can run/debug the PS4 software stack from kernel until /safemode.elf (userland!). Big thanks
Sony's upcoming Play Station 4 (PS4) is said to be running FreeBSD 9 underneath
FreeBSD based Orbis OS powering Sony PS4
AIO] PS4 Exploit Guide | Page 329 | GBAtemp.net - The Independent Video Game Community
Sony PlayStation 4 OS Is Modified FreeBSD 9 | eTeknix
Open Source Software Used In Playstation 4, The Console Runs FreeBSD Kernel | Unixmen