sbattach --version (return code: 0)
sbattach 0.6
sbattach --help (return code: 0)
Usage: sbattach --attach <sigfile> <efi-boot-image>
or: sbattach --detach <sigfile> [--remove] <efi-boot-image>
or: sbattach --remove <efi-boot-image>
Attach or detach a signature file to/from a boot image
Options:
--attach <sigfile> set <sigfile> as the boot image's
signature table
--detach <sigfile> copy the boot image's signature table
to <sigfile>
--remove remove the boot image's signature
table from the original file