MFV r273688:
Update filesystems magic. This fixes a regression introduced by libmagic 5.19 which prevents file(1) to show more verbose information about a MBR. Submitted by: madpilot MFC after: 2 weeks
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@ -1,5 +1,5 @@
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#------------------------------------------------------------------------------
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# $File: filesystems,v 1.95 2014/06/03 19:17:27 christos Exp $
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# $File: filesystems,v 1.106 2014/10/23 17:17:09 christos Exp $
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# filesystems: file(1) magic for different filesystems
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#
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0 name partid
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@ -254,19 +254,13 @@
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30 search/481 \x55\xAA
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# to display DOS/MBR boot sector (40) before old one (strength=50+21),Syslinux bootloader (71),SYSLINUX MBR (37+36),NetBSD mbr (110),AdvanceMAME mbr (111)
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# DOS BPB information (70) and after DOS floppy (120) like in previous file version
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!:strength +72
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!:strength +65
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# for sector sizes < 512 Bytes
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>11 uleshort <512
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>>(11.s-2) uleshort 0xAA55 DOS/MBR boot sector
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# for sector sizes with 512 or more Bytes
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>0x1FE leshort 0xAA55 DOS/MBR boot sector
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# keep old DOS/MBR boot sector as dummy for mbr and bootloader displaying
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# only for sector sizes with 512 or more Bytes
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0x1FE leshort 0xAA55
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#
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# to display information (50) before DOS BPB (strength=70) and after DOS floppy (120) like in old file version
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!:strength +21
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>2 string OSBS \b, OS/BS MBR
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>2 string OSBS OS/BS MBR
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# added by Joerg Jenderek at Feb 2013 according to http://thestarman.pcministry.com/asm/mbr/
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# and http://en.wikipedia.org/wiki/Master_Boot_Record
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# test for nearly all MS-DOS Master Boot Record initial program loader (IPL) is now done by
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@ -538,6 +532,8 @@
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>>>514 string !HdrS
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# not BeOS
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>>>>422 string !Be\ Boot\ Loader
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>>>>>32769 string CD001
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>>>>>>0 use cdrom
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# jump over BPB instruction implies DOS bootsector or AdvanceMAME mbr
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>>>>>0 ubelong&0xFD000000 =0xE9000000
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# AdvanceMAME mbr
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@ -1043,7 +1039,7 @@
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>>>>>>466 ubyte <0x10
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>>>>>>>466 ubyte 0x05 \b, extended partition table
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>>>>>>>466 ubyte 0x0F \b, extended partition table (LBA)
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>>>>>>>466 ubyte 0x0 \b, extended partition table (last)
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>>>>>>>466 ubyte 0x0 \b, extended partition table (last)
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# DOS x86 sector separated and moved from "DOS/MBR boot sector" by Joerg Jenderek at May 2011
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@ -1236,6 +1232,7 @@
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>>>>>181 search/166 Error\ \0
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# "a: disk" , "Fn: diskn" or "NetBSD MBR boot"
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>>>>>>&3 string x \b,"%s"
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>>>446 use partition-table
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# Andrea Mazzoleni AdvanceCD mbr loader of http://advancemame.sourceforge.net/boot-readme.html
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# added by Joerg Jenderek at Nov 2012 for versions 1.3 - 1.4
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# assembler instructions: jmp short 0x58;nop;ASCII
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@ -1353,18 +1350,19 @@
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# minimal short forward jump found 0x29 for bootloaders or 0x0
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# maximal short forward jump is 0x7f
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# OEM-ID is empty or contain readable bytes
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0 ulelong&0x804000E9 0x000000E9
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0 ulelong&0x804000E9 0x000000E9
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!:strength +60
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# mtools-3.9.8/msdos.h
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# usual values are marked with comments to get only informations of strange FAT systems
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# valid sectorsize must be a power of 2 from 32 to 32768
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>11 uleshort&0xf001f 0
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>11 uleshort&0x001f 0
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>>11 uleshort <32769
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>>>11 uleshort >31
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>>>>21 ubyte&0xf0 0xF0
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>>>>>0 ubyte 0xEB
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>>>>>0 ubyte 0xEB DOS/MBR boot sector
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>>>>>>1 ubyte x \b, code offset 0x%x+2
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>>>>>0 ubyte 0xE9
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>>>>>>1 uleshort x \b, code offset 0x%x+2
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>>>>>>1 uleshort x \b, code offset 0x%x+3
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>>>>>3 string >\0 \b, OEM-ID "%-.8s"
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#http://mirror.href.com/thestarman/asm/debug/debug2.htm#IHC
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>>>>>>8 string IHC \b cached by Windows 9M
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@ -1373,10 +1371,11 @@
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>>>>>11 uleshort <512 \b, Bytes/sector %u
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>>>>>13 ubyte >1 \b, sectors/cluster %u
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#>>>>>13 ubyte =1 \b, sectors/cluster %u (usual on Floppies)
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>>>>>82 string FAT32
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# for lazy FAT32 implementation like Transcend digital photo frame PF830
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>>>>>82 string/c fat32
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>>>>>>14 uleshort !32 \b, reserved sectors %u
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#>>>>>>14 uleshort =32 \b, reserved sectors %u (usual Fat32)
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>>>>>82 string !FAT32
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>>>>>82 string/c !fat32
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>>>>>>14 uleshort >1 \b, reserved sectors %u
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#>>>>>>14 uleshort =1 \b, reserved sectors %u (usual FAT12,FAT16)
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#>>>>>>14 uleshort 0 \b, reserved sectors %u (usual NTFS)
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@ -1399,24 +1398,29 @@
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>>>>>26 ubyte =1 \b, heads %u
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# valid only for sector sizes with more then 32 Bytes
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>>>>>11 uleshort >32
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# skip for Digital Research DOS (version 3.41) 1440 kB Bootdisk
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>>>>>>38 ubyte !0x70
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# http://en.wikipedia.org/wiki/Design_of_the_FAT_file_system#Extended_BIOS_Parameter_Block
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# skip for values 2,2Ah,70h,73h,DFh
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# and continue for extended boot signature values 0,28h,29h,80h
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>>>>>>38 ubyte&0x56 =0
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>>>>>>>28 ulelong >0 \b, hidden sectors %u
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#>>>>>>>28 ulelong =0 \b, hidden sectors %u (usual floppy)
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>>>>>>>32 ulelong >0 \b, sectors %u (volumes > 32 MB)
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#>>>>>>>32 ulelong =0 \b, sectors %u (volumes > 32 MB)
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# FAT<32 bit specific
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>>>>>>>82 string !FAT32
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>>>>>>>82 string/c !fat32
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#>>>>>>>>36 ubyte 0x80 \b, physical drive 0x%x=0x80 (usual harddisk)
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#>>>>>>>>36 ubyte 0 \b, physical drive 0x%x=0 (usual floppy)
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>>>>>>>>36 ubyte !0x80
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>>>>>>>>>36 ubyte !0 \b, physical drive 0x%x
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# VGA-copy CRC or
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# in Windows NT bit 0 is a dirty flag to request chkdsk at boot time. bit 1 requests surface scan too
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>>>>>>>>37 ubyte >0 \b, reserved 0x%x
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#>>>>>>>>37 ubyte =0 \b, reserved 0x%x
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# value is 0x80 for NTFS
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# extended boot signatur value is 0x80 for NTFS, 0x28 or 0x29 for others
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>>>>>>>>38 ubyte !0x29 \b, dos < 4.0 BootSector (0x%x)
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>>>>>>>>38 ubyte =0x29
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>>>>>>>>38 ubyte&0xFE =0x28
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>>>>>>>>>39 ulelong x \b, serial number 0x%x
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>>>>>>>>38 ubyte =0x29
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>>>>>>>>>43 string <NO\ NAME \b, label: "%11.11s"
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>>>>>>>>>43 string >NO\ NAME \b, label: "%11.11s"
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>>>>>>>>>43 string =NO\ NAME \b, unlabeled
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@ -1426,11 +1430,35 @@
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# if it is small enough FAT is 12 bit, if it is too big enough FAT is 32 bit,
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# otherwise FAT is 16 bit.
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# http://homepage.ntlworld.com/jonathan.deboynepollard/FGA/determining-fat-widths.html
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>>>>>>54 string FAT \b, FAT
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>>>>>>>54 string FAT12 \b (12 bit)
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>>>>>>>54 string FAT16 \b (16 bit)
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>>>>>82 string/c !fat32
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>>>>>>54 string FAT12 \b, FAT (12 bit)
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>>>>>>54 string FAT16 \b, FAT (16 bit)
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>>>>>>54 default x
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# determinate FAT bit size by media descriptor
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# small floppies implies FAT12
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>>>>>>>21 ubyte <0xF0 \b, FAT (12 bit by descriptor)
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# with media descriptor F0h floppy or maybe superfloppy with FAT16
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>>>>>>>21 ubyte =0xF0
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# superfloppy (many sectors) implies FAT16
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>>>>>>>>32 ulelong >0xFFFF \b, FAT (16 bit by descriptor+sectors)
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# no superfloppy with media descriptor F0h implies FAT12
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>>>>>>>>32 default x \b, FAT (12 bit by descriptor+sectors)
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# with media descriptor F8h floppy or hard disc with FAT12 or FAT16
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>>>>>>>21 ubyte =0xF8
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# 360 KiB with media descriptor F8h, 9 sectors per track ,single sided floppy implies FAT12
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>>>>>>>>19 ubequad 0xd002f80300090001 \b, FAT (12 bit by descriptor+geometry)
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# hard disc with FAT12 or FAT16
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>>>>>>>>19 default x \b, FAT (1Y bit by descriptor)
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# with media descriptor FAh floppy, RAM disc with FAT12 or FAT16 or Tandy hard disc
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>>>>>>>21 ubyte =0xFA
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# 320 KiB with media descriptor FAh, 8 sectors per track ,single sided floppy implies FAT12
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>>>>>>>>19 ubequad 0x8002fa0200080001 \b, FAT (12 bit by descriptor+geometry)
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# RAM disc with FAT12 or FAT16 or Tandy hard disc
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>>>>>>>>19 default x \b, FAT (1Y bit by descriptor)
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# others are floppy
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>>>>>>>21 default x \b, FAT (12 bit by descriptor)
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# FAT32 bit specific
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>>>>>82 string FAT32 \b, FAT (32 bit)
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>>>>>82 string/c fat32 \b, FAT (32 bit)
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>>>>>>36 ulelong x \b, sectors/FAT %u
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# http://technet.microsoft.com/en-us/library/cc977221.aspx
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>>>>>>40 uleshort >0 \b, extension flags 0x%x
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@ -1443,9 +1471,12 @@
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>>>>>>48 uleshort >1 \b, infoSector %u
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#>>>>>>48 uleshort =1 \b, infoSector %u (usual)
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>>>>>>48 uleshort <1 \b, infoSector %u
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>>>>>>50 uleshort >6 \b, Backup boot sector %u
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# 0 or 0xFFFF instead of usual 6 means no backup sector
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>>>>>>50 uleshort =0xFFFF \b, no Backup boot sector
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>>>>>>50 uleshort =0 \b, no Backup boot sector
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#>>>>>>50 uleshort =6 \b, Backup boot sector %u (usual)
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>>>>>>50 uleshort <6 \b, Backup boot sector %u
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>>>>>>50 default x
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>>>>>>>50 uleshort x \b, Backup boot sector %u
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# corrected by Joerg Jenderek at Feb 2011 according to http://thestarman.pcministry.com/asm/mbr/MSWIN41.htm#FSINFO
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>>>>>>52 ulelong >0 \b, reserved1 0x%x
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>>>>>>56 ulelong >0 \b, reserved2 0x%x
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@ -1880,12 +1911,11 @@
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# defect IO.SYS+MSDOS.SYS ?
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#>>>>>0x162 use 2xDOS-filename
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# CDROM Filesystems
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# Modified for UDF by gerardo.cacciari@gmail.com
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32769 string CD001 #
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!:mime application/x-iso9660-image
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0 name cdrom
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>38913 string !NSR0 ISO 9660 CD-ROM filesystem data
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!:mime application/x-iso9660-image
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>38913 string NSR0 UDF filesystem data
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!:mime application/x-iso9660-image
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>>38917 string 1 (version 1.0)
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>>38917 string 2 (version 1.5)
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>>38917 string 3 (version 2.0)
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@ -1898,6 +1928,18 @@
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!:mime application/x-iso9660-image
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32777 string CDROM High Sierra CD-ROM filesystem data
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# CDROM Filesystems
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# https://en.wikipedia.org/wiki/ISO_9660
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# Modified for UDF by gerardo.cacciari@gmail.com
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32769 string CD001
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# mime line at that position does not work
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# to display CD-ROM (70=81-11) after MBR (113=40+72+1), partition-table (71=50+21) and before Apple Driver Map (51)
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!:strength -11
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# to display CD-ROM (114=81+33) before MBR (113=40+72+1), partition-table (71=50+21) and Apple Driver Map (51)
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# does not work
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#!:strength +33
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>0 use cdrom
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# .cso files
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0 string CISO Compressed ISO CD image
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@ -2131,7 +2173,6 @@
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# which is mapped to VBN 2 of [000000]INDEXF.SYS;1 - gerardo.cacciari@gmail.com
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#
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1008 string DECFILE11 Files-11 On-Disk Structure
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>525 byte x Level %d
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>525 byte x (ODS-%d);
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>1017 string A RSX-11, VAX/VMS or OpenVMS VAX file system;
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>1017 string B
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@ -2266,14 +2307,31 @@
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# UBIfs
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# Linux kernel sources: fs/ubifs/ubifs-media.h
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0 belong 0x31181006
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>0x16 short 0 UBIfs image
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>0x08 lequad x \b, sequence number %llu
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>0x10 leshort x \b, length %u
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>0x04 lelong x \b, CRC 0x%08x
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0 lelong 0x06101831
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>0x16 leshort 0 UBIfs image
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>0x08 lequad x \b, sequence number %llu
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>0x10 leshort x \b, length %u
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>0x04 lelong x \b, CRC 0x%08x
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0 belong 0x55424923
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>0x04 short <2
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>0x05 string \0\0\0
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>0x1c string \0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0
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>0x04 short x UBI image, version %u
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0 lelong 0x23494255
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>0x04 leshort <2
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>0x05 string \0\0\0
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>0x1c string \0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0
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>0x04 leshort x UBI image, version %u
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# NEC PC-88 2D disk image
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# From Fabio R. Schmidlin <sd-snatcher@users.sourceforge.net>
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0x20 ulelong&0xFFFFFEFF 0x2A0
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>0x10 string \0\0\0\0\0\0\0\0\0\0
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>>0x280 string \0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0
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>>>0x1A ubyte&0xEF 0
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>>>>0x1B ubyte&0x8F 0
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>>>>>0x1B ubyte&70 <0x40
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>>>>>>0x1C ulelong >0x21
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>>>>>>>0 regex [[:print:]]* NEC PC-88 disk image, name=%s
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>>>>>>>>0x1B ubyte 0 \b, media=2D
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>>>>>>>>0x1B ubyte 0x10 \b, media=2DD
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>>>>>>>>0x1B ubyte 0x20 \b, media=2HD
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>>>>>>>>0x1B ubyte 0x30 \b, media=1D
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>>>>>>>>0x1B ubyte 0x40 \b, media=1DD
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>>>>>>>>0x1A ubyte 0x10 \b, write-protected
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