Provided by: dhcp3-common_3.1.3-2ubuntu6_i386 bug

dhclient -
dhclient
       [ -p port ] [ -D ] [ -d ] [ -q ] [ -1 ] [ -r ] [ -lf lease-file ] [ -pf
       pid-file ] [ -cf config-file ] [ -sf script-file ] [ -s server ]  [  -g
       relay ] [ -n ] [ -nw ] [ -w ] [ if0 [ ...ifN ] ]


Internet Systems Consortium  DHCP  dhclient
        (DHCP: Dynamic Host Configuration Protocol)
        BOOTP

       1

       DHCP 1
       IP DHCP

        DHCP

        dhclient dhclient.conf

        dhclient  DHCP

       dhclient dhclient.leases(5) dhclient.conf dhclient  dhclient.leases

       dhclient.leases

       dhclient
        dhclient.leases
        dhclient.leases dhclient dhclient.leases~

       dhclient ()  DHCP

       dhclient.leases

        DHCP

       DHCP

       DHCP dhclient

       DHCP  BOOTP

       BOOTP

       dhclient
       dhclient

       dhclient.conf(5)

       -D

       dhclient

       dhclient-script

       /tmp

       DHCP  ( 68)

       -p

       dhclient  udp

        1

       DHCP  IP

        255.255.255.255

       -s
        IP

       DHCP giaddr -g
        IP

       DHCP

       dhclient

       -d DHCP System V inittab

       syslog (3)

       -q

       DHCP

        ISP IP

       -r

       -1

       dhclient  1
        dhclient  2

       DHCP ETCDIR/dhclient.conf

       DBDIR/dhclient.leases
        ID RUNDIR/dhclient.pid

       CLIENTBINDIR/dhclient-script

       -cf, -lf, -pf

       -sf

        DHCP DBDIR

       RUNDIR

       DHCP

        I/O

       -w
        1

       omshell (8)

       IP

       -n

        DHCP

       -w

       IP

       -nw


dhclient.conf(5)
OMAPI
        DHCP

        API  OMAPI OMAPI TCP/IP
        DHCP DHCP

        OMAPI  dhcpctl  API   OMAPI  dhcpctl  OMAPI  dhcpctl  OMAPI dhcpctl(3)
       omapi(3)

        omshell(1)


DHCP
       DNS

       DHCP

       DHCP
        DHCP

        PC

        1
        2
        DHCPRELEASE

       3
        4


CLIENTBINDIR/dhclient-script,
       ETCDIR/dhclient.conf,    DBDIR/dhclient.leases,    RUNDIR/dhclient.pid,
       DBDIR/dhclient.leases~


dhclient.conf(5), dhclient.leases(5), dhclient-script(8)
dhclient(8)
        Ted Lemon Vixie Enterprises  Internet Systems Consortium

       Internet Systems Consortium https://www.isc.org

       Vixie Enterprises http://www.vix.com

       Elliot Poger Stanford  MosquitoNet Linux

       Elliot  Linux Internet Systems Consortium  DHCP Ted Lemon

                                                                   dhclient(8)