tldr/pages/linux/grub-file.md

grub-file

Check if a file is of a specific bootable image type. More information: https://manned.org/grub-file.

• Check if a file is an ARM EFI image:

grub-file --is-arm-efi {{path/to/file}}

• Check if a file is an i386 EFI image:

grub-file --is-i386-efi {{path/to/file}}

• Check if a file is an x86_64 EFI image:

grub-file --is-x86_64-efi {{path/to/file}}

• Check if a file is an ARM image (Linux kernel):

grub-file --is-arm-linux {{path/to/file}}

• Check if a file is an x86 image (Linux kernel):

grub-file --is-x86-linux {{path/to/file}}

• Check if a file is an x86_64 XNU image (macOS kernel):

grub-file --is-x86_64-xnu {{path/to/file}}