The command to show ip and mac address in a network is : apr -a
? (192.168.1.1) at c4:a8:1d:3a:5:a5 on en1 ifscope [ethernet]
? (192.168.1.6) at cc:b1:1a:bb:63:d6 on en1 ifscope [ethernet]
Linux Tutorial and something else…..
I don't know what's the matter with people: they don't learn by understanding, they learn by some other way — by rote or something. Their knowledge is so fragile! (Feynman)