TestDisk utility

Source : http://www.cgsecurity.org
{{InterLang TestDisk}}
{{Infobox TestDisk}}
[http://www.cgsecurity.org TestDisk] is OpenSource software and is licensed under the terms of the [http://www.gnu.org/licenses/gpl.html GNU General Public License] (GPL).

TestDisk is powerful free data recovery software! It was primarily designed to help recover lost partitions and/or make non-booting disks bootable again when these symptoms are caused by faulty software, certain types of viruses or human error (such as accidentally deleting a Partition Table). Partition table recovery using TestDisk is really easy.

TestDisk can
* Fix partition table, recover deleted partition
* Recover FAT32 boot sector from its backup
* Rebuild FAT12/FAT16/FAT32 boot sector
* Fix FAT tables
* Rebuild NTFS boot sector
* Recover NTFS boot sector from its backup
* Fix MFT using MFT mirror
* Locate ext2/ext3/ext4 Backup SuperBlock
* Undelete files from FAT, NTFS and ext2 filesystem
* Copy files from deleted FAT, NTFS and ext2/ext3/ext4 partitions.

TestDisk has features for both novices and experts. For those who know little or nothing about data recovery techniques, TestDisk can be used to collect detailed information about a non-booting drive which can then be sent to a tech for further analysis. Those more familiar with such procedures should find TestDisk a handy tool in performing onsite recovery.

== Operating systems ==
TestDisk can run under
* DOS (either real or in a Windows 9x DOS-box),
* Windows (NT4, 2000, XP, 2003, Vista, 2008, Windows 7 (x86 & x64),
* Linux,
* FreeBSD, NetBSD, OpenBSD,
* SunOS and
* MacOS X

Source files and precompiled binary executables are available for DOS, Win32, MacOSX and Linux from the [[TestDisk_Download |download]] page

== Filesystems ==
TestDisk can find lost partitions for all of these file systems:
*BeFS ( BeOS )
*BSD disklabel ( FreeBSD/OpenBSD/NetBSD )
*CramFS, Compressed File System
*DOS/Windows FAT12, FAT16 and FAT32
*Windows exFAT
*HFS, HFS+ and HFSX, Hierarchical File System
*JFS, IBM’s Journaled File System
*Linux ext2, ext3 and ext4
*Linux LUKS encrypted partition
*Linux RAID md 0.9/1.0/1.1/1.2
**RAID 1: mirroring
**RAID 4: striped array with parity device
**RAID 5: striped array with distributed parity information
**RAID 6: striped array with distributed dual redundancy information
*Linux Swap (versions 1 and 2)
*LVM and LVM2, Linux Logical Volume Manager
*Mac partition map
*Novell Storage Services NSS
*NTFS ( Windows NT/2000/XP/2003/Vista/2008/7 )
*ReiserFS 3.5, 3.6 and 4
*Sun Solaris i386 disklabel
*Unix File System UFS and UFS2 (Sun/BSD/…)
*XFS, SGI’s Journaled File System

== Documentation ==
* How to get TestDisk
** [[TestDisk_Download |Download]] – Binary executables and source files are available for DOS, Win32, MacOSX and Linux.
** [[TestDisk_Compilation |TestDisk compilation]]
** [[TestDisk_Livecd |TestDisk and Live rescue cd]]
* Working with special media
** [[Damaged_Hard_Disk | Recover Damaged Hard Disks (bad sectors)]]
** [[Media_Image |Disk image]]
** [[CDRW |CD-R/CR-RW/DVD…]]
* Using TestDisk
** [[OS_Notes |OS specific notes]]
** [[TestDisk_Step_By_Step |TestDisk Step by Step]] to recover lost partitions and repair damaged FAT/NTFS boot sector
** [[Running_TestDisk |Running the TestDisk Program ]]
** [[TestDisk: undelete file for NTFS|Recover deleted files from NTFS partition]]
** [[TestDisk: undelete file for FAT| Undelete files and directories from FAT12, FAT16 and FAT32 filesystem]]
** [[TestDisk: undelete file for ext2|Undelete files from ext2 filesystem]]
** [[Data_Recovery_Examples |Recovery examples ]]
** [[Scripted_run |Scripted run]]
** [[TestDisk FAQ]]
** [[Support |Support]]
* [[After_using_TestDisk |After using TestDisk ]]
* Technical Notes
** [[Developers]] How to contribute code to TestDisk & PhotoRec
** [[Intel_Partition_Table |Intel Partition Table]]
** [[Microsoft_Fdisk |Microsoft Fdisk]]
** [[SMART_Monitoring |SMART]] monitoring
** Norton [[GoBack |GoBack]]
** [[Current_Limitations |Current Limitations]]
* [[HowToHelp |How to help ]]
* [[In_The_News |TestDisk & PhotoRec In The News]]
* [[TestDisk Team]]
To recover lost pictures or files from digital camera or harddisk, run the [[PhotoRec]] command.
TestDisk home: [http://www.cgsecurity.org http://www.cgsecurity.org].
Christophe GRENIER [mailto:grenier@cgsecurity.org grenier@cgsecurity.org ]
[[Category:Data Recovery]]

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