GRUB-FILE(1)

📦
version 2.12 · 6 versions
, in fedora 43, fedora 44

💖 GRUB-FILE(1) 💖

okay so bestie, welcome to grub-file from the User Commands corner of the manual — she's a little cutie whose whole job is checking file types 🦋

✨ NAME ✨

grub-file — check file type 🔍

🎀 SYNOPSIS 🎀

file OPTIONS FILE

💅 DESCRIPTION 💅

So basically: check if FILE is of specified type. That's the whole vibe. You hand her a file, you tell her what you think it is, and she's like "mm hmm, sure bestie, let's see" 💁♀️

🌸 the flags, aka the vibe checks 🌸

  • --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.
ngl bestie that's a lot of architectures and she is not sorry about it 💀 every single one of them is checking exactly one thing and she will tell you yes or no, periodt.

👑 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. iykyk, go read the whole thing, she's thorough 🫶

and that's the whole page bestie!! 🌈 this was GRUB 2.12, dated April 2026 — like, iconic of her fr fr. go check your files, slay, and remember: every single flag up there is real, so don't come for me if you skip one 💖✨🎀🦋🌸💅

📦 where this page comes from