grub-mkrelpath - make a system path relative to its root
grub-mkrelpath [,OPTION/...] ,PATH/
Transform a system filename into GRUB one.
-?, --help give this help list
--usage give a short usage message
-V, --version print program version
Report bugs to <bug-grub@gnu.org>.
grub-probe (8)
The full documentation for grub-mkrelpath is maintained as a Texinfo manual. If the info and grub-mkrelpath programs are properly installed at your site, the command
info grub-mkrelpath
should give you access to the complete manual.