I think this is actually an outdated link. Modern SteamOS is based on Arch Linux, this refers to the old Debian-based OS from the "Steam Machines" era. Looks l

I think this is actually an outdated link. Modern SteamOS is based on Arch Linux, this refers to the old Debian-based OS from the "Steam Machines" era. Looks like this will get a refresh, though, as per my other comment.