I see that it is in my inittab file (last line)....
# cd /etc;more inittab
ap::sysinit:/sbin/autopush -f /etc/iu.ap
ap::sysinit:/sbin/soconfig -f /etc/sock2path
fs::sysinit:/sbin/rcS sysinit >/dev/msglog 2<>/dev/msglog </dev/console
is:3:initdefault:
p3:s1234
owerfail:/usr/sbin/shutdown -y -i5 -g0 >/dev/msglog 2<>/dev/msglog
sS:s:wait:/sbin/rcS >/dev/msglog 2<>/dev/msglog </dev/console
s0:0:wait:/sbin/rc0 >/dev/msglog 2<>/dev/msglog </dev/console
s1:1:respawn:/sbin/rc1 >/dev/msglog 2<>/dev/msglog </dev/console
s2:23:wait:/sbin/rc2 >/dev/msglog 2<>/dev/msglog </dev/console
s3:3:wait:/sbin/rc3 >/dev/msglog 2<>/dev/msglog </dev/console
s5:5:wait:/sbin/rc5 >/dev/msglog 2<>/dev/msglog </dev/console
s6:6:wait:/sbin/rc6 >/dev/msglog 2<>/dev/msglog </dev/console
fw:0:wait:/sbin/uadmin 2 0 >/dev/msglog 2<>/dev/msglog </dev/console
of:5:wait:/sbin/uadmin 2 6 >/dev/msglog 2<>/dev/msglog </dev/console
rb:6:wait:/sbin/uadmin 2 1 >/dev/msglog 2<>/dev/msglog </dev/console
sc:234:respawn:/usr/lib/saf/sac -t 300
co:234:respawn:/usr/lib/saf/ttymon -g -h -p "`uname -n` console login: " -T sun -d /dev/console -l console
-m ldterm,ttcompat
SV:23:respawn:/usr/bin/srload -D -q