GRUB-MKIMAGE(1) GRUB-MKIMAGE(1) (NAME) grub-mkimage - GRUB (SYNOPSIS) grub-mkimage [...] []... [MODULES] (DESCRIPTION) GRUB. -c, --config=FILE FILE . -C, --compression=(xz|none|auto) (core image). --disable-cli (CLI). --disable-shim-lock shim_lock. -d, --directory=DIR DIR [=/usr/lib/grub/]. -D, --dtb=FILE FILE (DTB). -k, --pubkey=FILE FILE PGP. -m, --memdisk=FILE FILE memdisk. -p (memdisk)/boot/grub . -n, --note NOTE CHRP IEEE1275. -o, --output=FILE FILE [=stdout]. -O, --format=FORMAT FORMAT. : i386-coreboot, i386-multiboot, i386-pc, i386-xen_pvh, i386-pc-pxe, i386-pc-eltorito, i386-efi, i386-ieee1275, i386-qemu, x86_64-efi, i386-xen, x86_64-xen, mipsel-yeeloong-flash, mipsel-fuloong2f-flash, mipsel-loongson-elf, powerpc-ieee1275, sparc64-ieee1275-raw, sparc64-ieee1275-cdcore, sparc64-ieee1275-aout, ia64-efi, mips-arc, mipsel-arc, mipsel-qemu_mips-elf, mips-qemu_mips-flash, mipsel-qemu_mips-flash, mips-qemu_mips-elf, arm-uboot, arm-coreboot-vexpress, arm-coreboot-veyron, arm-efi, arm64-efi, loongarch64-efi, riscv32-efi, riscv64-efi -p, --prefix=DIR . -s, --sbat=FILE SBAT. -S, --appended-signature-size=SIZE note SIZE . -v, --verbose . -x, --x509key=FILE FILE x509 . -?, --help --usage -V, --version . (REPORTING BUGS) . (SEE ALSO) grub-install(8), grub-mkrescue(1), grub-mknetdir(8) grub-mkimage Texinfo . info grub-mkimage info grub-mkimage . GRUB 2:2.14-1 January 2026 GRUB-MKIMAGE(1)