Intsall ifconfig Mac OS
$ ip addr show en0
en0: flags=8863<UP,BROADCAST,SMART,RUNNING,SIMPLEX,MULTICAST> mtu 1500
ether 54:46:12:fc:45:12
inet6 fe80::3636:3bff:fecf:1294/64 scopeid 0x4
inet 192.168.1.5/24 brd 192.168.1.255 en0
Sam Schoenberg