比如在php-fpm添加服务中，一部分脚步如下
#!/bin/sh
#
# php-fpm - this script starts and stops the php-fpm daemin
#
# chkconfig: 2345 76 25
# processname: php-fpm
# config: /usr/local/php/etc/php-fpm.conf
chkconfig --add php-fpm之后，会在/etc下面的rc?.d中出现对应的文件
ls rc?.d
rc0.d:
K05wdaemon K50dnsmasq K75ntpdate K88rsyslog
K10redis K50netconsole K75udev-post K89iscsid
K10saslauthd K50vsftpd K84NetworkManager K89rdisc
K15svnserve K50xinetd K84wpa_supplicant K90network
K25php-fpm K60crond K85mdmonitor K92ip6tables
K25sshd K73winbind K85messagebus K92iptables
K30postfix K74haldaemon K87multipathd K95firstboot
K30spice-vdagentd K74ntpd K87restorecond K99lvm2-monitor
K35nmb K75blk-availability K88auditd S00killall
K35smb K75netfs K88iscsi S01halt
rc1.d:
K05wdaemon K50dnsmasq K84NetworkManager K89rdisc
K10redis K50netconsole K84wpa_supplicant K92ip6tables
K10saslauthd K50vsftpd K85mdmonitor K92iptables
K15svnserve K50xinetd K85messagebus K95firstboot
K25php-fpm K60crond K87multipathd S02lvm2-monitor
K25sshd K73winbind K87restorecond S10network
K30postfix K74haldaemon K88auditd S25blk-availability
K30spice-vdagentd K74ntpd K88iscsi S26udev-post
K35nmb K75netfs K88rsyslog S99single
K35smb K75ntpdate K89iscsid
rc2.d:
K05wdaemon K73winbind K89iscsid S22messagebus
K10saslauthd K74haldaemon K89rdisc S25blk-availability
K15svnserve K74ntpd K92iptables S26udev-post
K30spice-vdagentd K75netfs K95firstboot S55sshd
K35nmb K75ntpdate S02lvm2-monitor S76php-fpm
K35smb K84NetworkManager S08ip6tables S80postfix
K50dnsmasq K84wpa_supplicant S10network S90crond
K50netconsole K87multipathd S11auditd S90redis
K50vsftpd K87restorecond S12rsyslog S99local
K50xinetd K88iscsi S15mdmonitor
rc3.d:
K05wdaemon K74ntpd S07iscsid S26haldaemon
K10saslauthd K75ntpdate S08ip6tables S26udev-post
K15svnserve K84NetworkManager S10network S55sshd
K30spice-vdagentd K84wpa_supplicant S11auditd S56xinetd
K35nmb K87multipathd S12rsyslog S76php-fpm
K35smb K87restorecond S13iscsi S80postfix
K50dnsmasq K89rdisc S15mdmonitor S90crond
K50netconsole K92iptables S22messagebus S90redis
K50vsftpd K95firstboot S25blk-availability S99local
K73winbind S02lvm2-monitor S25netfs
rc4.d:
K05wdaemon K74ntpd S07iscsid S26haldaemon
K10saslauthd K75ntpdate S08ip6tables S26udev-post
K15svnserve K84NetworkManager S10network S55sshd
K30spice-vdagentd K84wpa_supplicant S11auditd S56xinetd
K35nmb K87multipathd S12rsyslog S76php-fpm
K35smb K87restorecond S13iscsi S80postfix
K50dnsmasq K89rdisc S15mdmonitor S90crond
K50netconsole K92iptables S22messagebus S90redis
K50vsftpd K95firstboot S25blk-availability S99local
K73winbind S02lvm2-monitor S25netfs
rc5.d:
K05wdaemon K75ntpdate S08ip6tables S26udev-post
K10saslauthd K84NetworkManager S10network S55sshd
K15svnserve K84wpa_supplicant S11auditd S56xinetd
K35nmb K87multipathd S12rsyslog S70spice-vdagentd
K35smb K87restorecond S13iscsi S76php-fpm
K50dnsmasq K89rdisc S15mdmonitor S80postfix
K50netconsole K92iptables S22messagebus S90crond
K50vsftpd K95firstboot S25blk-availability S90redis
K73winbind S02lvm2-monitor S25netfs S99local
K74ntpd S07iscsid S26haldaemon
rc6.d:
K05wdaemon K50dnsmasq K75ntpdate K88rsyslog
K10redis K50netconsole K75udev-post K89iscsid
K10saslauthd K50vsftpd K84NetworkManager K89rdisc
K15svnserve K50xinetd K84wpa_supplicant K92ip6tables
K25php-fpm K60crond K85mdmonitor K92iptables
K25sshd K73winbind K85messagebus K95firstboot
K30postfix K74haldaemon K87multipathd K99lvm2-monitor
K30spice-vdagentd K74ntpd K87restorecond S00killall
K35nmb K75blk-availability K88auditd S01reboot
K35smb K75netfs K88iscsi S10network