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#------------------------------------------------------------------------------
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# $File: linux,v 1.33 2009/10/23 16:44:59 christos Exp $
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# linux: file(1) magic for Linux files
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#
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# Values for Linux/i386 binaries, from Daniel Quinlan <quinlan@yggdrasil.com>
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# The following basic Linux magic is useful for reference, but using
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# "long" magic is a better practice in order to avoid collisions.
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#
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# 2 leshort 100 Linux/i386
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# >0 leshort 0407 impure executable (OMAGIC)
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# >0 leshort 0410 pure executable (NMAGIC)
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# >0 leshort 0413 demand-paged executable (ZMAGIC)
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# >0 leshort 0314 demand-paged executable (QMAGIC)
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#
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0 lelong 0x00640107 Linux/i386 impure executable (OMAGIC)
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>16 lelong 0 \b, stripped
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0 lelong 0x00640108 Linux/i386 pure executable (NMAGIC)
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>16 lelong 0 \b, stripped
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0 lelong 0x0064010b Linux/i386 demand-paged executable (ZMAGIC)
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>16 lelong 0 \b, stripped
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0 lelong 0x006400cc Linux/i386 demand-paged executable (QMAGIC)
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>16 lelong 0 \b, stripped
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#
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0 string \007\001\000 Linux/i386 object file
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>20 lelong >0x1020 \b, DLL library
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# Linux-8086 stuff:
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0 string \01\03\020\04 Linux-8086 impure executable
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>28 long !0 not stripped
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0 string \01\03\040\04 Linux-8086 executable
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>28 long !0 not stripped
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#
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0 string \243\206\001\0 Linux-8086 object file
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#
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0 string \01\03\020\20 Minix-386 impure executable
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>28 long !0 not stripped
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0 string \01\03\040\20 Minix-386 executable
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>28 long !0 not stripped
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# core dump file, from Bill Reynolds <bill@goshawk.lanl.gov>
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216 lelong 0421 Linux/i386 core file
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>220 string >\0 of '%s'
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>200 lelong >0 (signal %d)
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#
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# LILO boot/chain loaders, from Daniel Quinlan <quinlan@yggdrasil.com>
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# this can be overridden by the DOS executable (COM) entry
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2 string LILO Linux/i386 LILO boot/chain loader
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#
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# PSF fonts, from H. Peter Anvin <hpa@yggdrasil.com>
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0 leshort 0x0436 Linux/i386 PC Screen Font data,
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>2 byte 0 256 characters, no directory,
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>2 byte 1 512 characters, no directory,
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>2 byte 2 256 characters, Unicode directory,
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>2 byte 3 512 characters, Unicode directory,
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>3 byte >0 8x%d
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# Linux swap file, from Daniel Quinlan <quinlan@yggdrasil.com>
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4086 string SWAP-SPACE Linux/i386 swap file
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# From: Jeff Bailey <jbailey@ubuntu.com>
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# Linux swap file with swsusp1 image, from Jeff Bailey <jbailey@ubuntu.com>
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4076 string SWAPSPACE2S1SUSPEND Linux/i386 swap file (new style) with SWSUSP1 image
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# according to man page of mkswap (8) March 1999
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4086 string SWAPSPACE2 Linux/i386 swap file (new style)
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>0x400 long x %d (4K pages)
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>0x404 long x size %d pages
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>>4086 string SWAPSPACE2
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>>>1052 string >\0 Label %s
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# From Daniel Novotny <dnovotny@redhat.com>
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# swap file for PowerPC
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65526 string SWAPSPACE2 Linux/ppc swap file
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# ECOFF magic for OSF/1 and Linux (only tested under Linux though)
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#
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# from Erik Troan (ewt@redhat.com) examining od dumps, so this
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# could be wrong
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# updated by David Mosberger (davidm@azstarnet.com) based on
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# GNU BFD and MIPS info found below.
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#
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0 leshort 0x0183 ECOFF alpha
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>24 leshort 0407 executable
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>24 leshort 0410 pure
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>24 leshort 0413 demand paged
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>8 long >0 not stripped
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>8 long 0 stripped
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>23 leshort >0 - version %ld.
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#
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# Linux kernel boot images, from Albert Cahalan <acahalan@cs.uml.edu>
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# and others such as Axel Kohlmeyer <akohlmey@rincewind.chemie.uni-ulm.de>
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# and Nicolás Lichtmaier <nick@debian.org>
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# All known start with: b8 c0 07 8e d8 b8 00 90 8e c0 b9 00 01 29 f6 29
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# Linux kernel boot images (i386 arch) (Wolfram Kleff)
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514 string HdrS Linux kernel
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>510 leshort 0xAA55 x86 boot executable
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>>518 leshort >0x1ff
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>>>529 byte 0 zImage,
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>>>529 byte 1 bzImage,
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>>>(526.s+0x200) string >\0 version %s,
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>>498 leshort 1 RO-rootFS,
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>>498 leshort 0 RW-rootFS,
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>>508 leshort >0 root_dev 0x%X,
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>>502 leshort >0 swap_dev 0x%X,
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>>504 leshort >0 RAMdisksize %u KB,
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>>506 leshort 0xFFFF Normal VGA
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>>506 leshort 0xFFFE Extended VGA
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>>506 leshort 0xFFFD Prompt for Videomode
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>>506 leshort >0 Video mode %d
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# This also matches new kernels, which were caught above by "HdrS".
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0 belong 0xb8c0078e Linux kernel
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>0x1e3 string Loading version 1.3.79 or older
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>0x1e9 string Loading from prehistoric times
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# System.map files - Nicolás Lichtmaier <nick@debian.org>
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8 search/1 \ A\ _text Linux kernel symbol map text
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# LSM entries - Nicolás Lichtmaier <nick@debian.org>
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0 search/1 Begin3 Linux Software Map entry text
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0 search/1 Begin4 Linux Software Map entry text (new format)
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# From Matt Zimmerman, enhanced for v3 by Matthew Palmer
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0 belong 0x4f4f4f4d User-mode Linux COW file
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>4 belong <3 \b, version %d
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>>8 string >\0 \b, backing file %s
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>4 belong >2 \b, version %d
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>>32 string >\0 \b, backing file %s
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############################################################################
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# Linux kernel versions
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0 string \xb8\xc0\x07\x8e\xd8\xb8\x00\x90 Linux
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>497 leshort 0 x86 boot sector
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>>514 belong 0x8e of a kernel from the dawn of time!
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>>514 belong 0x908ed8b4 version 0.99-1.1.42
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>>514 belong 0x908ed8b8 for memtest86
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>497 leshort !0 x86 kernel
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>>504 leshort >0 RAMdisksize=%u KB
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>>502 leshort >0 swap=0x%X
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>>508 leshort >0 root=0x%X
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>>>498 leshort 1 \b-ro
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>>>498 leshort 0 \b-rw
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>>506 leshort 0xFFFF vga=normal
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>>506 leshort 0xFFFE vga=extended
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>>506 leshort 0xFFFD vga=ask
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>>506 leshort >0 vga=%d
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>>514 belong 0x908ed881 version 1.1.43-1.1.45
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>>514 belong 0x15b281cd
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>>>0xa8e belong 0x55AA5a5a version 1.1.46-1.2.13,1.3.0
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>>>0xa99 belong 0x55AA5a5a version 1.3.1,2
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>>>0xaa3 belong 0x55AA5a5a version 1.3.3-1.3.30
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>>>0xaa6 belong 0x55AA5a5a version 1.3.31-1.3.41
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>>>0xb2b belong 0x55AA5a5a version 1.3.42-1.3.45
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>>>0xaf7 belong 0x55AA5a5a version 1.3.46-1.3.72
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>>514 string HdrS
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>>>518 leshort >0x1FF
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>>>>529 byte 0 \b, zImage
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>>>>529 byte 1 \b, bzImage
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>>>>(526.s+0x200) string >\0 \b, version %s
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# Linux boot sector thefts.
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0 belong 0xb8c0078e Linux
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>0x1e6 belong 0x454c4b53 ELKS Kernel
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>0x1e6 belong !0x454c4b53 style boot sector
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############################################################################
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# Linux 8086 executable
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0 lelong&0xFF0000FF 0xC30000E9 Linux-Dev86 executable, headerless
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>5 string .
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>>4 string >\0 \b, libc version %s
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0 lelong&0xFF00FFFF 0x4000301 Linux-8086 executable
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>2 byte&0x01 !0 \b, unmapped zero page
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>2 byte&0x20 0 \b, impure
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>2 byte&0x20 !0
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>>2 byte&0x10 !0 \b, A_EXEC
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>2 byte&0x02 !0 \b, A_PAL
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>2 byte&0x04 !0 \b, A_NSYM
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>2 byte&0x08 !0 \b, A_STAND
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>2 byte&0x40 !0 \b, A_PURE
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>2 byte&0x80 !0 \b, A_TOVLY
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>28 long !0 \b, not stripped
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>37 string .
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>>36 string >\0 \b, libc version %s
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# 0 lelong&0xFF00FFFF 0x10000301 ld86 I80386 executable
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# 0 lelong&0xFF00FFFF 0xB000301 ld86 M68K executable
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# 0 lelong&0xFF00FFFF 0xC000301 ld86 NS16K executable
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# 0 lelong&0xFF00FFFF 0x17000301 ld86 SPARC executable
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# SYSLINUX boot logo files (from 'ppmtolss16' sources)
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# http://syslinux.zytor.com/
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#
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0 lelong =0x1413f33d SYSLINUX' LSS16 image data
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>4 leshort x \b, width %d
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>6 leshort x \b, height %d
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0 string OOOM User-Mode-Linux's Copy-On-Write disk image
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>4 belong x version %d
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# SE Linux policy database
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# From: Mike Frysinger <vapier@gentoo.org>
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0 lelong 0xf97cff8c SE Linux policy
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>16 lelong x v%d
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>20 lelong 1 MLS
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>24 lelong x %d symbols
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>28 lelong x %d ocons
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# Linux Logical Volume Manager (LVM)
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# Emmanuel VARAGNAT <emmanuel.varagnat@guzu.net>
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#
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# System ID, UUID and volume group name are 128 bytes long
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# but they should never be full and initialized with zeros...
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#
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# LVM1
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#
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0x0 string HM\001 LVM1 (Linux Logical Volume Manager), version 1
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>0x12c string >\0 , System ID: %s
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0x0 string HM\002 LVM1 (Linux Logical Volume Manager), version 2
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>0x12c string >\0 , System ID: %s
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# LVM2
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#
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# It seems that the label header can be in one the four first sector
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# of the disk... (from _find_labeller in lib/label/label.c of LVM2)
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#
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# 0x200 seems to be the common case
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0x218 string LVM2\ 001 LVM2 (Linux Logical Volume Manager)
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# read the offset to add to the start of the header, and the header
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# start in 0x200
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>(0x214.l+0x200) string >\0 , UUID: %s
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0x018 string LVM2\ 001 LVM2 (Linux Logical Volume Manager)
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>(0x014.l) string >\0 , UUID: %s
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0x418 string LVM2\ 001 LVM2 (Linux Logical Volume Manager)
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>(0x414.l+0x400) string >\0 , UUID: %s
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0x618 string LVM2\ 001 LVM2 (Linux Logical Volume Manager)
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>(0x614.l+0x600) string >\0 , UUID: %s
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# LVM snapshot
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# from Jason Farrel
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0 string SnAp LVM Snapshot (CopyOnWrite store)
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>4 lelong !0 - valid,
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>4 lelong 0 - invalid,
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>8 lelong x version %d,
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>12 lelong x chunk_size %d
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# SE Linux policy database
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0 lelong 0xf97cff8c SE Linux policy
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>16 lelong x v%d
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>20 lelong 1 MLS
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>24 lelong x %d symbols
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>28 lelong x %d ocons
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# LUKS: Linux Unified Key Setup, On-Disk Format, http://luks.endorphin.org/spec
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# Anthon van der Neut (anthon@mnt.org)
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0 string LUKS\xba\xbe LUKS encrypted file,
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>6 beshort x ver %d
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>8 string x [%s,
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>40 string x %s,
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>72 string x %s]
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>168 string x UUID: %s
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# Summary: Xen saved domain file
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# Created by: Radek Vokal <rvokal@redhat.com>
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0 string LinuxGuestRecord Xen saved domain
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>20 search/256 (name
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>>&1 string x (name %s)
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