(why am I interested in this runlevel?)

/etc/rc.d/rc5.d:
total 2
drwxr-xr-x 2 root root 1024 Jun 1 07:36 .
drwxr-xr-x 10 root root 1024 Jun 1 07:31 ..
lrwxrwxrwx 1 root root 16 Jun 1 07:36 K20rstatd -> ../init.d/rstatd
lrwxrwxrwx 1 root root 17 Jun 1 07:36 K20rusersd -> ../init.d/rusersd
lrwxrwxrwx 1 root root 15 Jun 1 07:36 K20rwhod -> ../init.d/rwhod
lrwxrwxrwx 1 root root 16 Jun 1 07:36 K55routed -> ../init.d/routed
lrwxrwxrwx 1 root root 18 Jun 1 07:36 K60mars-nwe -> ../init.d/mars-nwe
lrwxrwxrwx 1 root root 14 Jun 1 07:36 S05apmd -> ../init.d/apmd
lrwxrwxrwx 1 root root 17 Jun 1 07:36 S10network -> ../init.d/network
lrwxrwxrwx 1 root root 17 Jun 1 07:36 S11portmap -> ../init.d/portmap
lrwxrwxrwx 1 root root 15 Jun 1 07:36 S15netfs -> ../init.d/netfs
lrwxrwxrwx 1 root root 16 Jun 1 07:36 S20random -> ../init.d/random
lrwxrwxrwx 1 root root 16 Jun 1 07:36 S30syslog -> ../init.d/syslog
lrwxrwxrwx 1 root root 13 Jun 1 07:36 S40atd -> ../init.d/atd
lrwxrwxrwx 1 root root 15 Jun 1 07:36 S40crond -> ../init.d/crond
lrwxrwxrwx 1 root root 16 Jun 1 07:36 S45pcmcia -> ../init.d/pcmcia
lrwxrwxrwx 1 root root 14 Jun 1 07:36 S50inet -> ../init.d/inet
lrwxrwxrwx 1 root root 13 Jun 1 07:36 S60lpd -> ../init.d/lpd
lrwxrwxrwx 1 root root 13 Jun 1 07:36 S60nfs -> ../init.d/nfs
lrwxrwxrwx 1 root root 18 Jun 1 07:36 S75keytable -> ../init.d/keytable
lrwxrwxrwx 1 root root 18 Jun 1 07:36 S80sendmail -> ../init.d/sendmail
lrwxrwxrwx 1 root root 13 Jun 1 07:36 S85gpm -> ../init.d/gpm
lrwxrwxrwx 1 root root 15 Jun 1 07:36 S85httpd -> ../init.d/httpd
lrwxrwxrwx 1 root root 15 Jun 1 07:36 S85sound -> ../init.d/sound
lrwxrwxrwx 1 root root 13 Jun 1 07:33 S90xfs -> ../init.d/xfs
lrwxrwxrwx 1 root root 13 Jun 1 07:36 S91smb -> ../init.d/smb
lrwxrwxrwx 1 root root 19 Jun 1 07:36 S99linuxconf -> ../init.d/linuxconf
lrwxrwxrwx 1 root root 11 Jun 1 07:31 S99local -> ../rc.local