Finding the MAC Address (Ethernet ID) in Mac OS X 10.5 Leopard

From IThelp

How do i find the MAC address, also known as "Ethernet ID" for my network card in MAC OS X Leopard?

  1. Open "System Preferences".
  2. Click on "Network" in the upper part of the window.
  3. Click "Ethernet" on the left side.
  4. Click the button "Advanced".
  5. Click on the tab "Ethernet". Next to "Ethernet ID" the MAC address is listed.