grub-file

Check if a file is of a 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