---
name: "grub-file"
section: "1"
platform: "linux"
package: "grub"
version: "2:2.16-1"
release: "Arch Linux 2026-11-01"
platforms: ["linux"]
url: "https://new.carta.tech/grub-file"
---

# grub-file(1)

check file type

## NAME

grub-file - check file type

## SYNOPSIS

**file** *OPTIONS FILE*

## DESCRIPTION

Check if FILE is of specified type.

- **--is-i386-xen-pae-domu**

  Check if FILE can be booted as i386 PAE Xen unprivileged guest kernel

- **--is-x86\_64-xen-domu**

  Check if FILE can be booted as x86\_64 Xen unprivileged guest kernel

- **--is-x86-xen-dom0**

  Check if FILE can be used as Xen x86 privileged guest kernel

- **--is-x86-multiboot**

  Check if FILE can be used as x86 multiboot kernel

**--is-x86-multiboot2** Check if FILE can be used as x86 multiboot2 kernel

- **--is-arm-linux**

  Check if FILE is ARM Linux

- **--is-arm64-linux**

  Check if FILE is ARM64 Linux

- **--is-ia64-linux**

  Check if FILE is IA64 Linux

- **--is-mips-linux**

  Check if FILE is MIPS Linux

- **--is-mipsel-linux**

  Check if FILE is MIPSEL Linux

- **--is-sparc64-linux**

  Check if FILE is SPARC64 Linux

- **--is-powerpc-linux**

  Check if FILE is POWERPC Linux

- **--is-x86-linux**

  Check if FILE is x86 Linux

- **--is-x86-linux32**

  Check if FILE is x86 Linux supporting 32-bit protocol

- **--is-x86-kfreebsd**

  Check if FILE is x86 kFreeBSD

- **--is-i386-kfreebsd**

  Check if FILE is i386 kFreeBSD

- **--is-x86\_64-kfreebsd**

  Check if FILE is x86\_64 kFreeBSD

- **--is-x86-knetbsd**

  Check if FILE is x86 kNetBSD

- **--is-i386-knetbsd**

  Check if FILE is i386 kNetBSD

**--is-x86\_64-knetbsd** Check if FILE is x86\_64 kNetBSD

- **--is-i386-efi**

  Check if FILE is i386 EFI file

- **--is-x86\_64-efi**

  Check if FILE is x86\_64 EFI file

- **--is-ia64-efi**

  Check if FILE is IA64 EFI file

- **--is-arm64-efi**

  Check if FILE is ARM64 EFI file

- **--is-arm-efi**

  Check if FILE is ARM EFI file

- **--is-riscv32-efi**

  Check if FILE is RISC-V 32bit EFI file

- **--is-riscv64-efi**

  Check if FILE is RISC-V 64bit EFI file

- **--is-hibernated-hiberfil**

  Check if FILE is hiberfil.sys in hibernated state

- **--is-x86\_64-xnu**

  Check if FILE is x86\_64 XNU (Mac OS X kernel)

- **--is-i386-xnu**

  Check if FILE is i386 XNU (Mac OS X kernel)

- **--is-xnu-hibr**

  Check if FILE is XNU (Mac OS X kernel) hibernated image

- **--is-x86-bios-bootsector**

  Check if FILE is BIOS bootsector

**-h**, **--help**              Display this help and exit. **-u**, **--usage**             Display the usage of this command and exit.

## SEE ALSO

The full documentation for **grub-file** is maintained as a Texinfo manual.  If the **info** and **grub-file** programs are properly installed at your site, the command

-

  **info grub-file**

should give you access to the complete manual.