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This will show you the MAC address for all network interfaces you have installed – for example, your Ethernet interface as well as your Wi-Fi network card. In this tutorial, you will learn how to obtain the MAC address on a Linux system via both command line and GUI. To perform this configuration, you will first need to obtain your MAC address. One common way they are used is for routers to hand out reserved IP addresses to a specific MAC address. The MAC address identifies your device on the network. Although you can spoof your MAC address with software, the real MAC address of your network interface will never change. Unlike IP addresses, which can change frequently and easily, MAC addresses are permanently tied to the hardware. Every network interface, on any device, has its own MAC address.
