11 ROOT_IMAGE
=/data
/root.ufs.uzip
19 mount
-t cd9660
/dev
/cd0
$CDROM
21 mdmfs
-P -F $CDROM/$ROOT_IMAGE -o ro md.uzip
$BASEROOT
22 mdmfs
-s 16m md
$RWROOT
23 mount
-t unionfs
$RWROOT $BASEROOT
26 mount
-t devfs devfs
$DEVFS
28 mkdir
-p $BASEROOT/$CDROM
29 mount
-t nullfs
-o ro
$CDROM $BASEROOT/$CDROM
31 kenv init_shell
="/bin/sh"