are all of these working as of now?Nothing huge like a jailbreak has been released yet. There are a few exploits for the PS4 though, check out the threads below.
http://www.se7ensins.com/forums/threads/ps4-badiret-kernel-exploit.1472318/
http://www.se7ensins.com/forums/threads/how-to-install-linux-on-your-ps4.1488201/
http://www.se7ensins.com/forums/threads/you-can-now-edit-your-home-menu-partial.1500390/
Yes but your Playstation 4 has to be on version 1.76 so you cannot have updated the console when it was released .are all of these working as of now?