dhcpd(8) man page — Describes how the DHCP daemon works.
dhcpd.conf(5) man page — Explains how to configure the DHCP configuration file; includes some examples.
dhcpd.leases(5) man page — Describes a persistent database of leases.
dhcp-options(5) man page — Explains the syntax for declaring DHCP options in dhcpd.conf; includes some examples.
dhcrelay(8) man page — Explains the DHCP Relay Agent and its configuration options.
/usr/share/doc/dhcp-version/ — Contains example files, README files, and release notes for current versions of the DHCP service.