TestDisk

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TestDisk_Download
Latest stable version

6.11
April 19, 2009

TestDisk, Data Recovery

TestDisk is OpenSource software and is licensed under the terms of the GNU General Public License (GPL).

TestDisk is a 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 Backup SuperBlock
  • Undelete files from FAT, NTFS and ext2 filesystem
  • Copy files from deleted FAT, NTFS and ext2/ext3 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),
  • Linux,
  • FreeBSD, NetBSD, OpenBSD,
  • SunOS and
  • MacOS X

Source files and precompiled binary executables are available for DOS, Win32, MacOSX and Linux from the 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 and ext3
  • 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

To recover lost pictures or files from digital camera or harddisk, run the PhotoRec command.

TestDisk home: http://www.cgsecurity.org.
Christophe GRENIER grenier@cgsecurity.org

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