> Despite popular misconceptions to the contrary, Horizon [The switch software's codename] is not largely derived from FreeBSD code, nor from Android, although the software licence[7] and reverse engineering efforts[8][9] have revealed that Nintendo does use some code from both in some system services and drivers.

That being said, at least one of the Playstation's runs a modified form of FreeBSD.

Edit: add [The ... codename]