radare2/doc/dospart

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00 EmptyTo be precise: this is not used to designate unused area
01 DOS 12-bit FATDOS is a family of single-user operating systems for PCs.
02 XENIX root
03 XENIX /usrXenix is an old port of Unix V7.
04 DOS 3.0+ 16-bit FAT (up to 32M)Matthias Paul writes: Some old DOS versions have had a bug which requires this
05 DOS 3.3+ Extended PartitionSupports at most 8.4 GB disks: with type 05 DOS/Windows will not use
06 DOS 3.31+ 16-bit FAT (over 32M)Partitions, or at least the FAT16 filesystems created on them,
07 OS/2 IFS (e.g., HPFS)IFS = Installable File System. The best known example is HPFS.
07 Windows NT NTFSFilesystem introduced in Windows NT 3.1.
07 exFATExtended FAT, a.k.a. FAT64.
07 Advanced Unix
07 QNX2.x pre-1988 (see below under IDs 4d-4f)
08 OS/2 (v1.0-1.3 only)
08 AIX boot partition
08 SplitDrive
08 Commodore DOSMatthias Paul writes: "This indicates a Commodore MS-DOS 3.x
08 DELL partition spanning multiple drives
08 QNX 1.x and 2.x ("qny")(according to
09 AIX data partitionSome reports interchange AIX boot & data.
09 Coherent filesystemCoherent was a UNIX-type OS for the 286-386-486, marketed by
09 QNX 1.x and 2.x ("qnz")(according to
0a OS/2 Boot ManagerOS/2 is the operating system designed by Microsoft and IBM to be
0a Coherent swap partition
0a OPUSOpen Parallel Unisys Server.
0b WIN95 OSR2 FAT32Partitions up to 2047GB. See
0c WIN95 OSR2 FAT32, LBA-mappedExtended-INT13 equivalent of 0b.
0e WIN95: DOS 16-bit FAT, LBA-mapped
0f WIN95: Extended partition, LBA-mappedWindows 95 uses 0e and 0f as the extended-INT13 equivalents
10 OPUS (?)Maybe decimal, for type 0a.
11 Hidden DOS 12-bit FATWhen it boots a DOS partition, OS/2 Boot Manager will hide
11 Leading Edge DOS 3.x
12 Configuration/diagnostics partitionID 12 (decimal 18) is used by Compaq for their configuration utility
14 Hidden DOS 16-bit FAT <32M(Ralf Brown's interrupt list adds: `ID 14 resulted from using Novell
14 AST DOS with
16 Hidden DOS 16-bit FAT >=32M
17 Hidden IFS (e.g., HPFS)
18 AST SmartSleep PartitionAscentia laptops have a `Zero Volt Suspend Partition'
19 UnusedClaimed for Willowtech Photon coS (completely optimized system)
1b Hidden WIN95 OSR2 FAT32
1c Hidden WIN95 OSR2 FAT32, LBA-mappedSometimes a hidden IBM rescue partition.
1e Hidden WIN95 16-bit FAT, LBA-mapped
20 UnusedRumoured to be used by Willowsoft Overture File System (OFS1),
21 Reserved(according to
21 UnusedClaimed for FSo2 (Oxygen File System) by Dave Poirier
22 UnusedClaimed for Oxygen Extended Partition Table by ekstazya@sprint.ca.
23 Reserved
24 NEC DOS 3.xThis is NEC MS-DOS 3.30
26 Reserved
27 PQserviceAcer laptop hidden rescue partition. Must be FAT32.
27 Windows RE hidden partitionOn MBR disks, type 0x27. On GPT disks, GUID:
27 MirOS partition
27 RouterBOOT kernel partitionSee
2a AtheOS File System (AFS)AtheOS is an open source operating system written by Kurt Skauen.
2b SyllableSecure (SylStor)A variation on AthFS is
31 Reserved
32 NOSSimon Butcher (simonb@alien.net.au) writes:
33 Reserved
34 Reserved
35 JFS on OS/2 or eCS David van Enckevort (david@mensys.nl) writes:
36 Reserved
38 THEOS ver 3.2 2gb partition
39 Plan 9 partition
39 THEOS ver 4 spanned partition
3a THEOS ver 4 4gb partition
3b THEOS ver 4 extended partitionTHEOS is a multiuser multitasking OS for PCs founded by Timothy Williams
3c PartitionMagic recovery partitionCody Batt (codyb@powerquest.com) writes:
3d Hidden NetWareAccording to
40 Venix 80286A very old Unix-like operating system for PCs.
40 PICKRoss Stell writes:
41 Linux/MINIX (sharing disk with DRDOS)Very old FAQs recommended to use 41 etc instead of 81 etc
41 Personal RISC Boot
41 PPC PReP (Power PC Reference Platform) Boot
42 Linux swap (sharing disk with DRDOS)
42 SFS (Secure Filesystem)SFS is an encrypted filesystem driver for DOS on 386+ PCs, written
42 Windows 2000 dynamic extended partition markerIf a partition table entry of type 0x42 is present in the legacy
43 Linux native (sharing disk with DRDOS)
44 GoBack partition
45 Boot-US boot managerUlrich Straub (ustraub@boot-us.de) writes:
45 PriamAccording to
45 EUMEL/Elan
46 EUMEL/Elan
47 EUMEL/Elan
48 EUMEL/Elan Eumel, and later Ergos L3, are multiuser multitasking systems
4a Mark Aitchison's ALFS/THIN lightweight filesystem for DOSAccording to
4a AdaOS Aquila (Withdrawn)Nick Roberts at some point in time announced that he would use 4a
4c Oberon partitionSee
4d QNX4.x
4e QNX4.x 2nd part
4f QNX4.x 3rd partQNX is a POSIX-certified, microkernel, distributed, fault-tolerant
4f Oberon partitionSee
50 OnTrack Disk Manager (older versions) RODisk Manager is a program of OnTrack, to enable people to use
50 Lynx RTOS"Beginning with version 3.0, LynxOS gives users the ability to
50 Native Oberon (alt)
51 OnTrack Disk Manager RW (DM6 Aux1)
51 Novell
52 CP/M
52 Microport SysV/AT
53 Disk Manager 6.0 Aux3
54 Disk Manager 6.0 Dynamic Drive Overlay (DDO)
55 EZ-DriveEZ-Drive is another disk manager (by MicroHouse, 1992).
56 Golden Bow VFeature Partitioned Volume.This is a Non-Standard DOS Volume.
56 DM converted to EZ-BIOS
56 AT&amp;T MS-DOS 3.x
57 DriveProDoug Anderson (DougA@ImageCast.com), with his brother Steve cofounder
57 VNDI Partition(According to disk.c in the Netware source.
5c Priam EDiskPriam EDisk Partitioned Volume.
61 SpeedStorStorage Dimensions SpeedStor Volume.
63 Unix System V (SCO, ISC Unix, UnixWare, ...), Mach, GNU HurdA Unixware 7.1 partition must start below the 4GB limit.
64 PC-ARMOUR protected partitionUsed by PC-ARMOUR, a disk protection by Dr. A.Solomon,
64 Novell Netware 286, 2.xx
65 Novell Netware 386, 3.xx or 4.xx(Novell Netware used to be the main Network Operating System available.
66 Novell Netware SMS PartitionAccording to disk.c in the Netware source.
67 NovellRoman Gruber reports: this code has frozen my version of norton disk-editor
68 Novell
69 Novell Netware 5+, Novell Netware NSS PartitionAccording to disk.c in the Netware source.
6e ??
70 DiskSecure Multi-Boot
71 Reserved
72 V7/x86Robert Nordier writes: V7/x86, a port of UNIX Version 7 to the PC,
73 Reserved
74 Reserved
74 Scramdisk partition
75 IBM PC/IX
76 Reserved
77 M2FS/M2CS partitionJeff Merkey writes: 77 is one we are using internally for M2FS/M2CS partitions.
77 VNDI Partition(According to disk.c in the Netware source. Not in actual use.)
78 XOSL FSXOSL Bootloader filesystem, see
7e UnusedClaimed for F.I.X. by gruberr@kapsch.net. See dejanews.
7f UnusedProposed for the
80 MINIX until 1.4a
81 MINIX since 1.4b, early LinuxMinix is a Unix-like operating system written by Andy Tanenbaum
81 Mitac disk manager
82 Prime
82 Solaris x86Solaris creates a single partition with id 0x82, then uses Sun disk labels
82 Linux swap
83 Linux native partitionLinux is a Unix-like operating system written by Linus Torvalds
84 OS/2 hidden C: driveOS/2-renumbered type 04 partition.
84 Hibernation partition(following Appendix E of the Microsoft APM 1.1f specification).
85 Linux extended partition
86 Old Linux RAID partition superblockSee fd.
86 FAT16 volume setLegacy Fault Tolerant FAT16 volume.
87 NTFS volume setLegacy Fault Tolerant NTFS volume.
88 Linux plaintext partition table
8a Linux Kernel Partition (used by AiR-BOOT)Martin Kiewitz (KiWi@vision.fido.de) writes:
8b Legacy Fault Tolerant FAT32 volume
8c Legacy Fault Tolerant FAT32 volume using BIOS extd INT 13h
8d Free FDISK 0.96+ hidden Primary DOS FAT12 partitition
8e Linux Logical Volume Manager partitionSee
90 Free FDISK 0.96+ hidden Primary DOS FAT16 partitition
91 Free FDISK 0.96+ hidden DOS extended partitition
92 Free FDISK 0.96+ hidden Primary DOS large FAT16 partitition
93 Hidden Linux native partition
93 Amoeba
94 Amoeba bad block tableAmoeba is a distributed operating system written by Andy Tanenbaum,
95 MIT EXOPC native partitions
96 CHRP ISO-9660 filesystem
97 Free FDISK 0.96+ hidden Primary DOS FAT32 partitition
98 Free FDISK 0.96+ hidden Primary DOS FAT32 partitition (LBA)
98 Datalight ROM-DOS Super-Boot PartitionSee
99 DCE376 logical driveNo, it's not a hibernation partition; it's closest to a DOS extended
9a Free FDISK 0.96+ hidden Primary DOS FAT16 partitition (LBA)
9b Free FDISK 0.96+ hidden DOS extended partitition (LBA)
9e ForthOS partition
9f BSD/OSCurrent sysid for BSDI. The types b7 and b8 given below
a0 Laptop hibernation partitionReported for various laptops like IBM Thinkpad, Phoenix NoteBIOS, Toshiba
a1 Laptop hibernation partitionReportedly used as "Save-to-Disk" partition on a NEC 6000H notebook.
a1 HP Volume Expansion (SpeedStor variant)IDs 21, a1, a3, a4, a6, b1, b3, b4, b6 are for HP Volume Expansion
a3 HP Volume Expansion (SpeedStor variant)
a4 HP Volume Expansion (SpeedStor variant)
a5 BSD/386, 386BSD, NetBSD, FreeBSD386BSD is a Unix-like operating system, a port of 4.3BSD Net/2
a6 OpenBSDOpenBSD, led by Theo de Raadt, split off from NetBSD.
a6 HP Volume Expansion (SpeedStor variant)
a7 NeXTStepBased on Mach 2.6 and features of Mach 3.0, is a true
a8 Mac OS-XApple's OS-X (
a9 NetBSDNetBSD is one of the children of *BSD (see above).
aa Olivetti Fat 12 1.44MB Service PartitionContains a bare DOS 6.22 and a utility to exchange types
ab Mac OS-X Boot partitionApple's OS-X (Darwin Intel) uses this type for its boot partition.
ab GO! partitionUnused. Claimed by Stanislav Karchebny for his
ae ShagOS filesystem
af ShagOS swap partitionUnused. Claimed by Frank Barrus for his
af MacOS X HFSUsed by Apple for the MacOS X filesystem HFS or HFS+ on Intel.
b0 BootStar DummyThe boot manager BootStar manages its own partition table,
b1 HP Volume Expansion (SpeedStor variant)
b1 QNX Neutrino Power-Safe filesystem
b2 QNX Neutrino Power-Safe filesystem
b3 HP Volume Expansion (SpeedStor variant)
b3 QNX Neutrino Power-Safe filesystemSteve Reid (stever@qnx.com) writes:
b4 HP Volume Expansion (SpeedStor variant)
b6 HP Volume Expansion (SpeedStor variant)
b6 Corrupted Windows NT mirror set (master), FAT16 file system
b7 Corrupted Windows NT mirror set (master), NTFS file system
b7 BSDI BSD/386 filesystem
b8 BSDI BSD/386 swap partitionBSDI (Berkeley Software Design, Inc.) was founded by former CSRG
bb Boot Wizard hidden(PTS) BootWizard 4.0 and its new version Acronis OS Selector 5.0
bc Acronis backup partitionRecognized as Acronis Secure Zone, when labelled "ACRONIS SZ".
be Solaris 8 boot partition
bf New Solaris x86 partitionThe old 0x82 id conflicted with Linux swap. New Solaris installations
c0 CTOS
c0 REAL/32 secure small partitionSee d0 below.
c0 NTFT PartitionAccording to disk.c in the Netware source.
c0 DR-DOS/Novell DOS secured partitionDR-DOS 7.02+ / OpenDOS 7.01 / Novell DOS 7 secured partition.
c1 DRDOS/secured (FAT-12)
c2 UnusedAccording to
c2 Hidden Linux
c3 Hidden Linux swapBenedict Chong (bchong@blueskyinnovations.com) writes:
c4 DRDOS/secured (FAT-16, < 32M)
c5 DRDOS/secured (extended)This ID may also be used in obscure trickery:
c6 DRDOS/secured (FAT-16, >= 32M)DR-DOS 6.0 and higher (NetWare PalmDOS 1.0, Novell DOS 7, OpenDOS 7.01,
c6 Windows NT corrupted FAT16 volume/stripe setNTFS will add 0xc0 to the partition type for disabled parts
c7 Windows NT corrupted NTFS volume/stripe set
c7 Syrinx bootPrimary partition only.
c8 Reserved for DR-DOS 8.0+
c9 Reserved for DR-DOS 8.0+
ca Reserved for DR-DOS 8.0+
cb DR-DOS 7.04+ secured FAT32 (CHS)/
cc DR-DOS 7.04+ secured FAT32 (LBA)/
cd CTOS Memdump?
ce DR-DOS 7.04+ FAT16X (LBA)/
cf DR-DOS 7.04+ secured EXT DOS (LBA)/
d0 REAL/32 secure big partitionREAL/32 is a continuation of DR Multiuser DOS.
d0 Multiuser DOS secured partitionThis applies to the whole MDOS family range, Digital Research
d1 Old Multiuser DOS secured FAT12
d4 Old Multiuser DOS secured FAT16 <32M
d5 Old Multiuser DOS secured extended partition
d6 Old Multiuser DOS secured FAT16 >=32M
d8 CP/M-86
da Non-FS DataAdded on request of John Hardin (johnh@aproposretail.com).
da Powercopy BackupPowercopy Backup (shielded disk),
db Digital Research CP/M, Concurrent CP/M, Concurrent DOS
db CTOS (Convergent Technologies OS -Unisys)
db KDG Telemetry SCPU bootMark Morgan Lloyd (markMLl.in@telemetry.co.uk) writes:
dd Hidden CTOS Memdump?
de Dell PowerEdge Server utilities (FAT fs)
df DG/UX virtual disk manager partitionGlenn Steen (glenn.steen@ap1.se) writes:
df BootIt EMBRMThe boot manager BootIt manages its own partition table,
e0 Reserved by
e1 DOS access or SpeedStor 12-bit FAT extended partitionKevin Cummings reports in alt.os.linux:
e3 DOS R/O or SpeedStor
e4 SpeedStor 16-bit FAT extended partition < 1024 cyl.
e5 Tandy MSDOS with
e6 Storage Dimensions SpeedStor
e8 LUKS
eb BeOS BFSBeOS is an operating system that runs on Power PCs and on Intel PCs.
ec SkyOS SkyFS
ed UnusedMatthias Paul plans to use this for an OS called Sprytix.
ee Indication that this legacy MBR is followed by an EFI header
ef Partition that contains an EFI file systemBob Griswold (rogris@Exchange.Microsoft.com) writes:
f0 Linux/PA-RISC boot loaderPaul Bame (bame@debian.org) writes: the F0 partition will be
f1 Storage Dimensions SpeedStor
f2 DOS 3.3+ secondary partitionMatthias Paul writes:
f3 Reserved
f4 SpeedStor large partition
f4 Prologue single-volume partition
f5 Prologue multi-volume partitionThe type F4 partition contains one volume, and is not used anymore.
f6 Storage Dimensions SpeedStor
f7 DDRdrive Solid State File SystemChristopher George writes:
f9 pCacheEd Sawicki writes: "We propose using the F9 partition type as
fa BochsRob Judd writes: MandrakeSoft's
fb VMware File System partition
fc VMware Swap partitionAlso used as VMkernel dump partition.
fd Linux raid partition with autodetect using persistent superblockSee the
fe SpeedStor > 1024 cyl.
fe LANstep
fe IBM PS/2 IML (Initial Microcode Load) partition,
fe Windows NT Disk Administrator hidden partitionMark Morgan Lloyd (markMLl.in@telemetry.co.uk) writes:
fe Linux Logical Volume Manager partition (old)This has been in use since the early LVM days back in 1997,
ff Xenix Bad Block Table