ref: 1cff9ab4e8412d5c6b6a3cbca720fbc4bcccecd9
dir: /rc/bin/inst/finish/
#!/bin/rc
# desc: finish the installation and reboot
# prereq: bootsetup
# mustdo:
switch($1) {
case checkdone
finish=ready
export finish
case go
echo 'Congratulations; you''ve completed the install.'
echo
exec ./halt
}