It was the PS3, and I don’t believe you had to buy anything. It had “other OS” functionality for effectively dual-booting Linux on it, which they removed partway through it’s lifecycle in a firmware update.
That pretty much kickstarted and supercharged the PS3 hacking scene.
ps4 use freebsd, i think ps5 too
Coundn’t you also buy a Linux live CD that worked on the PS2?
Ps2, ps3 but patched out due to being the cheapest computer
Unofficially ps3, ps4, and switch
It was the PS3, and I don’t believe you had to buy anything. It had “other OS” functionality for effectively dual-booting Linux on it, which they removed partway through it’s lifecycle in a firmware update.
That pretty much kickstarted and supercharged the PS3 hacking scene.
Linux for PlayStation 2 was a thing.