Configuring runlevels

To configure what services are started in the different runlevels, you need to find out your distribution.

SUSE
You configure your runlevels using yast2 runlevel

Red Hat
You configure your runlevels using system-config-runlevel

Generic
chkconfig --list will give you an output like this: aaeventd                 0:off  1:off  2:off  3:off  4:off  5:off  6:off acpid                    0:off  1:off  2:on   3:on   4:off  5:on   6:off alsasound                0:off  1:off  2:on   3:on   4:off  5:on   6:off apache2                  0:off  1:off  2:off  3:off  4:off  5:off  6:off