Go to the first, previous, next, last section, table of contents.
It is known that the signature in the boot loader for SCO UnixWare is wrong, so you will have to specify the option @option{--force} to @command{chainloader} (see section chainloader), like this:
grub> rootnoverify (hd1,0) grub> chainloader --force +1 grub> makeactive grub> boot
Go to the first, previous, next, last section, table of contents.