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&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