Enter “ifconfig” to see if I’m on the network. I can also enter “ifconfig ". On my laptop, the Ethernet interface is called "fxp0", so I would enter "ifconfig fxp0" as a short cut.

greg-pc# ifconfig fxp0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> mtu 1500 inet6 fe80::220:e0ff:fe67:1e76%fxp0 prefixlen 64 scopeid 0x1 inet 10.1.5.132 netmask 0xfffff800 broadcast 10.1.7.255 ether 00:20:e0:67:1e:76 media: autoselect (100baseTX ) status: active supported media: autoselect 100baseTX 100baseTX 10baseT/UTP 10baseT/UTP lp0: flags=8810<POINTOPOINT,SIMPLEX,MULTICAST> mtu 1500 faith0: flags=8000 mtu 1500 gif0: flags=8010<POINTOPOINT,MULTICAST> mtu 1280 gif1: flags=8010<POINTOPOINT,MULTICAST> mtu 1280 gif2: flags=8010<POINTOPOINT,MULTICAST> mtu 1280 gif3: flags=8010<POINTOPOINT,MULTICAST> mtu 1280 lo0: flags=8049<UP,LOOPBACK,RUNNING,MULTICAST> mtu 16384 inet6 fe80::1%lo0 prefixlen 64 scopeid 0x8 inet6 ::1 prefixlen 128 inet 127.0.0.1 netmask 0xff000000 ppp0: flags=8010<POINTOPOINT,MULTICAST> mtu 1500 sl0: flags=c010<POINTOPOINT,LINK2,MULTICAST> mtu 552 greg-pc# greg-pc# ifconfig fxp0 fxp0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> mtu 1500 inet6 fe80::220:e0ff:fe67:1e76%fxp0 prefixlen 64 scopeid 0x1 inet 10.1.5.132 netmask 0xfffff800 broadcast 10.1.7.255 ether 00:20:e0:67:1e:76 media: autoselect (100baseTX ) status: active supported media: autoselect 100baseTX 100baseTX 10baseT/UTP 10baseT/UTP greg-pc#