How to start and stop Linux services squid dns dhcp

Manually starting and stopping service
We can manually start and stop service
/etc/rc.d/init.d/smb stop
/etc/rc.d/init.d/smb restart
/etc/rc.d/init.d/named restart
/etc/rc.d/init.d/squid restart
/etc/rc.d/init.d/dhcpd restart
/etc/rc.d/init.d/iptabels restart


SOme other way to stop or start or restart service

Squid
serivce squid restar (Stop and Start the Squid service)
service squid stop (Stop the Squid Services)
service squid start (Start Squid Services)

IPtabels
serivce iptables restar (Stop and Start the Squid service)
service iptables stop (Stop the Squid Services)
service iptables start (Start Squid Services)

DNS
serivce named restar (Stop and Start the Squid service)
service named stop (Stop the Squid Services)
service named start (Start Squid Services)

DHCPD
serivce dhcpd restar (Stop and Start the Squid service)
service dhcpd stop (Stop the Squid Services)
service dhcpd start (Start Squid Services)