MAC stands for Media Access Control, an address that is permanently assigned to each device on your network. PS4's have a MAC address, as do phones, tablets, your PC, your smart tv... etc.

MAC Addresses are layer 2 of the OSI Model, Data Link and are a way of communicating their physical address via switches. MAC Addresses are used to uniquely identify a device on a network.

It is possible to spoof these, but for the purposes of learning, these are considered "burned in" addresses, permanent to a device.

On a ifconfig command in terminal, ether is the display of the MAC Address, with the first 3 sections being th