ARP-  address resolution protocol. it is used to resolve the ip address of a system to its mac address.

displays the ip address

delete an ip address with specific address

add an entry manually to arp cache

to get a list of all available switches

by using > we can save the results automatically in text file instead of displaying the results

it is same as -a

if the address is present it gives internet interface.if not present the first applicable interface is used