Your machine's IP address used to function, but it's only got the localhost "lo" entry now. What three client-mode commands could you possibly use to get a new DHCP address?

`dhcpd` is the DHCP *server* daemon, responsible for assigning IP addresses, not a client command for requesting an address.

`ipconfig` is a command used on Windows systems; the equivalent commands on Linux are `ip` or `ifconfig` for network configuration display and management.

`dhclient` is a commonly used DHCP client program on many Linux distributions for requesting and configuring network settings from a DHCP server.

`pump` is an older DHCP client that was frequently used on some Linux distributions, particularly Red Hat-based systems, to obtain network configuration via DHCP.

`dhcpcd` is a popular DHCP client daemon often used in lightweight or embedded Linux distributions to acquire and maintain an IP address and network configuration from a DHCP server.