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+
+#------------------------------------------------------------------------------
+# $File: linux,v 1.84 2022/11/29 23:10:29 christos Exp $
+# linux: file(1) magic for Linux files
+#
+# Values for Linux/i386 binaries, from Daniel Quinlan <quinlan@yggdrasil.com>
+# The following basic Linux magic is useful for reference, but using
+# "long" magic is a better practice in order to avoid collisions.
+#
+# 2 leshort 100 Linux/i386
+# >0 leshort 0407 impure executable (OMAGIC)
+# >0 leshort 0410 pure executable (NMAGIC)
+# >0 leshort 0413 demand-paged executable (ZMAGIC)
+# >0 leshort 0314 demand-paged executable (QMAGIC)
+#
+0 lelong 0x00640107 Linux/i386 impure executable (OMAGIC)
+>16 lelong 0 \b, stripped
+0 lelong 0x00640108 Linux/i386 pure executable (NMAGIC)
+>16 lelong 0 \b, stripped
+0 lelong 0x0064010b Linux/i386 demand-paged executable (ZMAGIC)
+>16 lelong 0 \b, stripped
+0 lelong 0x006400cc Linux/i386 demand-paged executable (QMAGIC)
+>16 lelong 0 \b, stripped
+#
+0 string \007\001\000 Linux/i386 object file
+>20 lelong >0x1020 \b, DLL library
+# Linux-8086 stuff:
+0 string \01\03\020\04 Linux-8086 impure executable
+>28 long !0 not stripped
+0 string \01\03\040\04 Linux-8086 executable
+>28 long !0 not stripped
+#
+0 string \243\206\001\0 Linux-8086 object file
+#
+0 string \01\03\020\20 Minix-386 impure executable
+>28 long !0 not stripped
+0 string \01\03\040\20 Minix-386 executable
+>28 long !0 not stripped
+0 string \01\03\04\20 Minix-386 NSYM/GNU executable
+>28 long !0 not stripped
+# core dump file, from Bill Reynolds <bill@goshawk.lanl.gov>
+216 lelong 0421 Linux/i386 core file
+!:strength / 2
+>220 string >\0 of '%s'
+>200 lelong >0 (signal %d)
+#
+# LILO boot/chain loaders, from Daniel Quinlan <quinlan@yggdrasil.com>
+# this can be overridden by the DOS executable (COM) entry
+2 string LILO Linux/i386 LILO boot/chain loader
+#
+# Linux make config build file, from Ole Aamot <oka@oka.no>
+# Updated by Ken Sharp
+28 string make\ config Linux make config build file (old)
+49 search/70 Kernel\ Configuration Linux make config build file
+
+#
+# PSF fonts, from H. Peter Anvin <hpa@yggdrasil.com>
+# Updated by Adam Buchbinder <adam.buchbinder@gmail.com>
+# See: https://www.win.tue.nl/~aeb/linux/kbd/font-formats-1.html
+0 leshort 0x0436 Linux/i386 PC Screen Font v1 data,
+>2 byte&0x01 0 256 characters,
+>2 byte&0x01 !0 512 characters,
+>2 byte&0x02 0 no directory,
+>2 byte&0x02 !0 Unicode directory,
+>3 byte >0 8x%d
+0 string \x72\xb5\x4a\x86\x00\x00 Linux/i386 PC Screen Font v2 data,
+>16 lelong x %d characters,
+>12 lelong&0x01 0 no directory,
+>12 lelong&0x01 !0 Unicode directory,
+>28 lelong x %d
+>24 lelong x \bx%d
+
+# Linux swap and hibernate files
+# Linux kernel: include/linux/swap.h
+# util-linux: libblkid/src/superblocks/swap.c
+
+# format v0, unsupported since 2002
+0xff6 string SWAP-SPACE Linux old swap file, 4k page size
+0x1ff6 string SWAP-SPACE Linux old swap file, 8k page size
+0x3ff6 string SWAP-SPACE Linux old swap file, 16k page size
+0x7ff6 string SWAP-SPACE Linux old swap file, 32k page size
+0xfff6 string SWAP-SPACE Linux old swap file, 64k page size
+
+# format v1, supported since 1998
+0 name linux-swap
+>0x400 lelong 1 little endian, version %u,
+>>0x404 lelong x size %u pages,
+>>0x408 lelong x %u bad pages,
+>0x400 belong 1 big endian, version %u,
+>>0x404 belong x size %u pages,
+>>0x408 belong x %u bad pages,
+>0x41c string \0 no label,
+>0x41c string >\0 LABEL=%s,
+>0x40c ubelong x UUID=%08x
+>0x410 ubeshort x \b-%04x
+>0x412 ubeshort x \b-%04x
+>0x414 ubeshort x \b-%04x
+>0x416 ubelong x \b-%08x
+>0x41a ubeshort x \b%04x
+
+0xff6 string SWAPSPACE2 Linux swap file, 4k page size,
+>0 use linux-swap
+0x1ff6 string SWAPSPACE2 Linux swap file, 8k page size,
+>0 use linux-swap
+0x3ff6 string SWAPSPACE2 Linux swap file, 16k page size,
+>0 use linux-swap
+0x7ff6 string SWAPSPACE2 Linux swap file, 32k page size,
+>0 use linux-swap
+0xfff6 string SWAPSPACE2 Linux swap file, 64k page size,
+>0 use linux-swap
+
+0 name linux-hibernate
+>0 string S1SUSPEND \b, with SWSUSP1 image
+>0 string S2SUSPEND \b, with SWSUSP2 image
+>0 string ULSUSPEND \b, with uswsusp image
+>0 string LINHIB0001 \b, with compressed hibernate image
+>0 string \xed\xc3\x02\xe9\x98\x56\xe5\x0c \b, with tuxonice image
+>0 default x \b, with unknown hibernate image
+
+0xfec string SWAPSPACE2 Linux swap file, 4k page size,
+>0 use linux-swap
+>0xff6 use linux-hibernate
+0x1fec string SWAPSPACE2 Linux swap file, 8k page size,
+>0 use linux-swap
+>0x1ff6 use linux-hibernate
+0x3fec string SWAPSPACE2 Linux swap file, 16k page size,
+>0 use linux-swap
+>0x3ff6 use linux-hibernate
+0x7fec string SWAPSPACE2 Linux swap file, 32k page size,
+>0 use linux-swap
+>0x7ff6 use linux-hibernate
+0xffec string SWAPSPACE2 Linux swap file, 64k page size,
+>0 use linux-swap
+>0xfff6 use linux-hibernate
+
+#
+# Linux kernel boot images, from Albert Cahalan <acahalan@cs.uml.edu>
+# and others such as Axel Kohlmeyer <akohlmey@rincewind.chemie.uni-ulm.de>
+# and Nicolas Lichtmaier <nick@debian.org>
+# All known start with: b8 c0 07 8e d8 b8 00 90 8e c0 b9 00 01 29 f6 29
+# Linux kernel boot images (i386 arch) (Wolfram Kleff)
+# URL: https://www.kernel.org/doc/Documentation/x86/boot.txt
+514 string HdrS Linux kernel
+!:strength + 55
+# often no extension like in linux, vmlinuz, bzimage or memdisk but sometimes
+# Acronis Recovery kernel64.dat and Plop Boot Manager plpbtrom.bin
+# DamnSmallLinux 1.5 damnsmll.lnx
+!:ext /dat/bin/lnx
+>510 leshort 0xAA55 x86 boot executable
+>>518 leshort >0x1ff
+>>>529 byte 0 zImage,
+>>>529 byte 1 bzImage,
+>>>526 lelong >0
+>>>>(526.s+0x200) string >\0 version %s,
+>>498 leshort 1 RO-rootFS,
+>>498 leshort 0 RW-rootFS,
+>>508 leshort >0 root_dev %#X,
+>>502 leshort >0 swap_dev %#X,
+>>504 leshort >0 RAMdisksize %u KB,
+>>506 leshort 0xFFFF Normal VGA
+>>506 leshort 0xFFFE Extended VGA
+>>506 leshort 0xFFFD Prompt for Videomode
+>>506 leshort >0 Video mode %d
+# This also matches new kernels, which were caught above by "HdrS".
+0 belong 0xb8c0078e Linux kernel
+>0x1e3 string Loading version 1.3.79 or older
+>0x1e9 string Loading from prehistoric times
+
+# System.map files - Nicolas Lichtmaier <nick@debian.org>
+8 search/1 \ A\ _text Linux kernel symbol map text
+
+# LSM entries - Nicolas Lichtmaier <nick@debian.org>
+0 search/1 Begin3 Linux Software Map entry text
+0 search/1 Begin4 Linux Software Map entry text (new format)
+
+# From Matt Zimmerman, enhanced for v3 by Matthew Palmer
+0 belong 0x4f4f4f4d User-mode Linux COW file
+>4 belong <3 \b, version %d
+>>8 string >\0 \b, backing file %s
+>4 belong >2 \b, version %d
+>>32 string >\0 \b, backing file %s
+
+############################################################################
+# Linux kernel versions
+
+0 string \xb8\xc0\x07\x8e\xd8\xb8\x00\x90 Linux
+>497 leshort 0 x86 boot sector
+>>514 belong 0x8e of a kernel from the dawn of time!
+>>514 belong 0x908ed8b4 version 0.99-1.1.42
+>>514 belong 0x908ed8b8 for memtest86
+
+>497 leshort !0 x86 kernel
+>>504 leshort >0 RAMdisksize=%u KB
+>>502 leshort >0 swap=%#X
+>>508 leshort >0 root=%#X
+>>>498 leshort 1 \b-ro
+>>>498 leshort 0 \b-rw
+>>506 leshort 0xFFFF vga=normal
+>>506 leshort 0xFFFE vga=extended
+>>506 leshort 0xFFFD vga=ask
+>>506 leshort >0 vga=%d
+>>514 belong 0x908ed881 version 1.1.43-1.1.45
+>>514 belong 0x15b281cd
+>>>0xa8e belong 0x55AA5a5a version 1.1.46-1.2.13,1.3.0
+>>>0xa99 belong 0x55AA5a5a version 1.3.1,2
+>>>0xaa3 belong 0x55AA5a5a version 1.3.3-1.3.30
+>>>0xaa6 belong 0x55AA5a5a version 1.3.31-1.3.41
+>>>0xb2b belong 0x55AA5a5a version 1.3.42-1.3.45
+>>>0xaf7 belong 0x55AA5a5a version 1.3.46-1.3.72
+>>514 string HdrS
+>>>518 leshort >0x1FF
+>>>>529 byte 0 \b, zImage
+>>>>529 byte 1 \b, bzImage
+>>>>(526.s+0x200) string >\0 \b, version %s
+
+# Linux boot sector thefts.
+0 belong 0xb8c0078e Linux
+>0x1e6 belong 0x454c4b53 ELKS Kernel
+>0x1e6 belong !0x454c4b53 style boot sector
+
+############################################################################
+# Linux S390 kernel image
+# Created by: Jan Kaluza <jkaluza@redhat.com>
+8 string \x02\x00\x00\x18\x60\x00\x00\x50\x02\x00\x00\x68\x60\x00\x00\x50\x40\x40\x40\x40\x40\x40\x40\x40 Linux S390
+>0x00010000 search/b/4096 \x00\x0a\x00\x00\x8b\xad\xcc\xcc
+# 64bit
+>>&0 string \xc1\x00\xef\xe3\xf0\x68\x00\x00 Z10 64bit kernel
+>>&0 string \xc1\x00\xef\xc3\x00\x00\x00\x00 Z9-109 64bit kernel
+>>&0 string \xc0\x00\x20\x00\x00\x00\x00\x00 Z990 64bit kernel
+>>&0 string \x00\x00\x00\x00\x00\x00\x00\x00 Z900 64bit kernel
+# 32bit
+>>&0 string \x81\x00\xc8\x80\x00\x00\x00\x00 Z10 32bit kernel
+>>&0 string \x81\x00\xc8\x80\x00\x00\x00\x00 Z9-109 32bit kernel
+>>&0 string \x80\x00\x20\x00\x00\x00\x00\x00 Z990 32bit kernel
+>>&0 string \x80\x00\x00\x00\x00\x00\x00\x00 Z900 32bit kernel
+
+############################################################################
+# Linux ARM compressed kernel image
+# From: Kevin Cernekee <cernekee@gmail.com>
+# Update: Joerg Jenderek
+0x24 lelong 0x016f2818 Linux kernel ARM boot executable zImage
+# There are three possible situations: LE, BE with LE bootloader and pure BE.
+# In order to aid telling these apart a new endian flag was added. In order
+# to support kernels before the flag and BE with LE bootloader was added we'll
+# do a negative check against the BE variant of the flag when we see a LE magic.
+>0x30 belong !0x04030201 (little-endian)
+# raspian "kernel7.img", Vu+ Ultimo4K "kernel_auto.bin"
+!:ext img/bin
+>0x30 belong 0x04030201 (big-endian)
+0x24 belong 0x016f2818 Linux kernel ARM boot executable zImage (big-endian)
+
+############################################################################
+# Linux AARCH64 kernel image
+0x38 lelong 0x644d5241 Linux kernel ARM64 boot executable Image
+>0x18 lelong ^1 \b, little-endian
+>0x18 lelong &1 \b, big-endian
+>0x18 lelong &2 \b, 4K pages
+>0x18 lelong &4 \b, 16K pages
+>0x18 lelong &6 \b, 32K pages
+
+############################################################################
+# Linux 8086 executable
+0 lelong&0xFF0000FF 0xC30000E9 Linux-Dev86 executable, headerless
+>5 string .
+>>4 string >\0 \b, libc version %s
+
+0 lelong&0xFF00FFFF 0x4000301 Linux-8086 executable
+>2 byte&0x01 !0 \b, unmapped zero page
+>2 byte&0x20 0 \b, impure
+>2 byte&0x20 !0
+>>2 byte&0x10 !0 \b, A_EXEC
+>2 byte&0x02 !0 \b, A_PAL
+>2 byte&0x04 !0 \b, A_NSYM
+>2 byte&0x08 !0 \b, A_STAND
+>2 byte&0x40 !0 \b, A_PURE
+>2 byte&0x80 !0 \b, A_TOVLY
+>28 long !0 \b, not stripped
+>37 string .
+>>36 string >\0 \b, libc version %s
+
+# 0 lelong&0xFF00FFFF 0x10000301 ld86 I80386 executable
+# 0 lelong&0xFF00FFFF 0xB000301 ld86 M68K executable
+# 0 lelong&0xFF00FFFF 0xC000301 ld86 NS16K executable
+# 0 lelong&0xFF00FFFF 0x17000301 ld86 SPARC executable
+
+# SYSLINUX boot logo files (from 'ppmtolss16' sources)
+# https://www.syslinux.org/wiki/index.php/SYSLINUX#Display_graphic_from_filename:
+# file extension .lss .16
+0 lelong =0x1413f33d SYSLINUX' LSS16 image data
+# syslinux-4.05/mime/image/x-lss16.xml
+!:mime image/x-lss16
+>4 leshort x \b, width %d
+>6 leshort x \b, height %d
+
+0 string OOOM User-Mode-Linux's Copy-On-Write disk image
+>4 belong x version %d
+
+# SE Linux policy database
+# From: Mike Frysinger <vapier@gentoo.org>
+0 lelong 0xf97cff8c SE Linux policy
+>16 lelong x v%d
+>20 lelong 1 MLS
+>24 lelong x %d symbols
+>28 lelong x %d ocons
+
+# Linux Logical Volume Manager (LVM)
+# Emmanuel VARAGNAT <emmanuel.varagnat@guzu.net>
+#
+# System ID, UUID and volume group name are 128 bytes long
+# but they should never be full and initialized with zeros...
+#
+# LVM1
+#
+0x0 string/b HM\001 LVM1 (Linux Logical Volume Manager), version 1
+>0x12c string/b >\0 , System ID: %s
+
+0x0 string/b HM\002 LVM1 (Linux Logical Volume Manager), version 2
+>0x12c string/b >\0 , System ID: %s
+
+# LVM2
+#
+# It seems that the label header can be in one the four first sector
+# of the disk... (from _find_labeller in lib/label/label.c of LVM2)
+#
+# 0x200 seems to be the common case
+0 name lvm2
+# display UUID in LVM format + display all 32 bytes (instead of max string length: 31)
+>0x0 string >\x2f \b, UUID: %.6s
+>0x6 string >\x2f \b-%.4s
+>0xa string >\x2f \b-%.4s
+>0xe string >\x2f \b-%.4s
+>0x12 string >\x2f \b-%.4s
+>0x16 string >\x2f \b-%.4s
+>0x1a string >\x2f \b-%.6s
+>0x20 lequad x \b, size: %lld
+
+
+# read the offset to add to the start of the header, and the header
+# start in 0x200
+0x218 string/b LVM2\ 001 LVM2 PV (Linux Logical Volume Manager)
+>&(&-12.l-0x20) use lvm2
+
+0x018 string/b LVM2\ 001 LVM2 PV (Linux Logical Volume Manager)
+>&(&-12.l-0x20) use lvm2
+
+0x418 string/b LVM2\ 001 LVM2 PV (Linux Logical Volume Manager)
+>&(&-12.l-0x20) use lvm2
+
+0x618 string/b LVM2\ 001 LVM2 PV (Linux Logical Volume Manager)
+>&(&-12.l-0x20) use lvm2
+
+# LVM snapshot
+# from Jason Farrel
+0 string SnAp LVM Snapshot (CopyOnWrite store)
+>4 lelong !0 - valid,
+>4 lelong 0 - invalid,
+>8 lelong x version %d,
+>12 lelong x chunk_size %d
+
+# SE Linux policy database
+0 lelong 0xf97cff8c SE Linux policy
+>16 lelong x v%d
+>20 lelong 1 MLS
+>24 lelong x %d symbols
+>28 lelong x %d ocons
+
+# Summary: Xen saved domain file
+# Created by: Radek Vokal <rvokal@redhat.com>
+0 string LinuxGuestRecord Xen saved domain
+>20 search/256 (name
+>>&1 string x (name %s)
+
+# Type: Xen, the virtual machine monitor
+# From: Radek Vokal <rvokal@redhat.com>
+0 string LinuxGuestRecord Xen saved domain
+#>2 regex \(name\ [^)]*\) %s
+>20 search/256 (name (name
+>>&1 string x %s...)
+
+# Systemd journald files
+# See https://www.freedesktop.org/wiki/Software/systemd/journal-files/.
+# From: Zbigniew Jedrzejewski-Szmek <zbyszek@in.waw.pl>
+
+# check magic
+0 string LPKSHHRH
+# check that state is one of known values
+>16 ubyte&252 0
+# check that each half of three unique id128s is non-zero
+>>24 ubequad >0
+>>>32 ubequad >0
+>>>>40 ubequad >0
+>>>>>48 ubequad >0
+>>>>>>56 ubequad >0
+>>>>>>>64 ubequad >0 Journal file
+!:mime application/octet-stream
+# provide more info
+>>>>>>>>184 leqdate 0 empty
+>>>>>>>>16 ubyte 0 \b, offline
+>>>>>>>>16 ubyte 1 \b, online
+>>>>>>>>16 ubyte 2 \b, archived
+>>>>>>>>8 ulelong&1 1 \b, sealed
+>>>>>>>>12 ulelong&1 1 \b, compressed
+
+# BCache backing and cache devices
+# From: Gabriel de Perthuis <g2p.code@gmail.com>
+0x1008 lequad 8
+>0x1018 string \xc6\x85\x73\xf6\x4e\x1a\x45\xca\x82\x65\xf5\x7f\x48\xba\x6d\x81 BCache
+>>0x1010 ulequad 0 cache device
+>>0x1010 ulequad 1 backing device
+>>0x1010 ulequad 3 cache device
+>>0x1010 ulequad 4 backing device
+>>0x1048 string >0 \b, label "%.32s"
+>>0x1028 ubelong x \b, uuid %08x
+>>0x102c ubeshort x \b-%04x
+>>0x102e ubeshort x \b-%04x
+>>0x1030 ubeshort x \b-%04x
+>>0x1032 ubelong x \b-%08x
+>>0x1036 ubeshort x \b%04x
+>>0x1038 ubelong x \b, set uuid %08x
+>>0x103c ubeshort x \b-%04x
+>>0x103e ubeshort x \b-%04x
+>>0x1040 ubeshort x \b-%04x
+>>0x1042 ubelong x \b-%08x
+>>0x1046 ubeshort x \b%04x
+
+# Linux device tree:
+# File format description can be found in the Linux kernel sources at
+# Documentation/devicetree/booting-without-of.txt
+# From Christoph Biedl
+0 belong 0xd00dfeed
+# structure must be within blob, strings are omitted to handle devicetrees > 1M
+>&(8.L) byte x
+>>20 belong >1 Device Tree Blob version %d
+>>>4 belong x \b, size=%d
+>>>20 belong >1
+>>>>28 belong x \b, boot CPU=%d
+>>>20 belong >2
+>>>>32 belong x \b, string block size=%d
+>>>20 belong >16
+>>>>36 belong x \b, DT structure block size=%d
+
+# glibc locale archive as defined in glibc locale/locarchive.h
+0 lelong 0xde020109 locale archive
+>24 lelong x %d strings
+
+# Linux Software RAID (mdadm)
+# Russell Coker <russell@coker.com.au>
+0 name linuxraid
+>16 belong x UUID=%8x:
+>20 belong x \b%8x:
+>24 belong x \b%8x:
+>28 belong x \b%8x
+>32 string x name=%s
+>72 lelong x level=%d
+>92 lelong x disks=%d
+
+4096 lelong 0xa92b4efc Linux Software RAID
+>4100 lelong x version 1.2 (%d)
+>4096 use linuxraid
+
+0 lelong 0xa92b4efc Linux Software RAID
+>4 lelong x version 1.1 (%d)
+>0 use linuxraid
+
+# Summary: Database file for mlocate
+# Description: A database file as used by mlocate, a fast implementation
+# of locate/updatedb. It uses merging to reuse the existing
+# database and avoid rereading most of the filesystem. It's
+# the default version of locate on Arch Linux (and others).
+# File path: /var/lib/mlocate/mlocate.db by default (but configurable)
+# Site: https://fedorahosted.org/mlocate/
+# Format docs: https://linux.die.net/man/5/mlocate.db
+# Type: mlocate database file
+# URL: https://fedorahosted.org/mlocate/
+# From: Wander Nauta <info@wandernauta.nl>
+0 string \0mlocate mlocate database
+>12 byte x \b, version %d
+>13 byte 1 \b, require visibility
+>16 string x \b, root %s
+
+# Dump files for iproute2 tool. Generated by the "ip r|a save" command. URL:
+# https://www.linuxfoundation.org/collaborate/workgroups/networking/iproute2
+# From: Pavel Emelyanov <xemul@parallels.com>
+0 lelong 0x45311224 iproute2 routes dump
+0 lelong 0x47361222 iproute2 addresses dump
+
+# Image and service files for CRIU tool.
+# URL: https://criu.org
+# From: Pavel Emelyanov <xemul@parallels.com>
+0 lelong 0x54564319 CRIU image file v1.1
+0 lelong 0x55105940 CRIU service file
+0 lelong 0x58313116 CRIU inventory
+
+# Kdump compressed dump files
+# https://github.com/makedumpfile/makedumpfile/blob/master/IMPLEMENTATION
+
+0 string KDUMP\x20\x20\x20 Kdump compressed dump
+>0 use kdump-compressed-dump
+
+0 name kdump-compressed-dump
+>8 long x v%d
+>12 string >\0 \b, system %s
+>77 string >\0 \b, node %s
+>142 string >\0 \b, release %s
+>207 string >\0 \b, version %s
+>272 string >\0 \b, machine %s
+>337 string >\0 \b, domain %s
+
+# Flattened format
+0 string makedumpfile
+>16 bequad 1
+>>0x1010 string KDUMP\x20\x20\x20 Flattened kdump compressed dump
+>>>0x1010 use kdump-compressed-dump
+
+# Device Tree files
+0 search/1024 /dts-v1/ Device Tree File (v1)
+# beat c code
+!:strength +14
+
+
+# e2fsck undo file
+# David Gilman <davidgilman1@gmail.com>
+0 string E2UNDO02 e2fsck undo file, version 2
+>44 lelong x \b, undo file is
+>>44 lelong&1 0 not finished
+>>44 lelong&1 1 finished
+>48 lelong x \b, undo file features:
+>>48 lelong&1 0 lacks filesystem offset
+>>48 lelong&1 1 has filesystem offset
+>>>64 lequad x at %#llx
+
+# ansible vault (does not really belong here)
+0 string $ANSIBLE_VAULT; Ansible Vault
+>&0 regex [0-9]+\\.[0-9]+ \b, version %s
+>>&0 string ;
+>>>&0 regex [A-Z0-9]+ \b, encryption %s
+
+# From: Joerg Jenderek
+# URL: https://www.gnu.org/software/grub
+# Reference: https://ftp.gnu.org/gnu/grub/grub-2.06.tar.gz
+# grub-2.06/include/grub/keyboard_layouts.h
+# grub-2.06/grub-core/commands/keylayouts.c
+# GRUB_KEYBOARD_LAYOUTS_FILEMAGIC
+0 string GRUBLAYO GRUB Keyboard
+!:mime application/x-grub-keyboard
+!:ext gkb
+# GRUB_KEYBOARD_LAYOUTS_VERSION like: 10
+>8 ulelong !10 \b, version %u
+# 4 grub_uint32_t grub_keyboard_layout[160]
+# for normal french keyboard this is letter a
+>92 ubyte !0x71
+>>92 ubyte >0x40 \b, english q is %c
+#>732 ubyte x \b, english Q is %c
+# for normal german keyboard this is letter z
+>124 ubyte !0x79
+>>124 ubyte >0x40 \b, english y is %c
+#>764 ubyte x \b, english Y is %c