if you want to know all active and inactive service status run below service command.

# service --status-all

Same service --status-all i executed in ubuntu it shows below output .... what does the symbols [ + ] and [ - ] stands for....? why it presented before all the services............?

 [ + ]  acpid
 [ - ]  alsa-utils
 [ - ]  anacron
 [ + ]  apparmor
 [ + ]  apport
 [ + ]  avahi-daemon
 [ - ]  bluetooth
 [ - ]  bootmisc.sh
 [ - ]  brltty
 [ - ]  checkfs.sh
 [ - ]  checkroot-bootclean.sh
 [ - ]  checkroot.sh
 [ + ]  console-setup
 [ + ]  cron
 [ - ]  cups
 [ + ]  cups-browsed
 [ + ]  dbus
 [ - ]  dns-clean

Symbols [ + ] and [ - ] are indicating the status of service ... The [ + ] symbols based services are active states and [ - ] symbols based services are inactive or might be crashed services....