Programs Knowledge

/?           Display this help message
/all         Display full configuration information.
/release     Release the IP address for the specified adapter.
/renew       Renew the IP address for the specified adapter.
/flushdns    Purges the DNS Resolver cache.
/registerdns Refreshes all DHCP leases and re-registers DNS names
/displaydns  Display the contents of the DNS Resolver Cache.
/showclassid Displays all the dhcp class IDs allowed for adapter.
/setclassid  Modifies the dhcp class id.