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PhotoRec is a free and open-source utility software for data recovery with text-based user interface using data carving techniques, designed to recover lost files from various digital camera memory, hard disk and CD-ROM. It can recover the files with more than 480 file extensions (about 300 file families).
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The program uses two techniques: a lost file, and a lost drive recovery. In the lost file recovery technique the program finds deleted file entries, and if requested will do a file carve of selected file types. A variety of popular file types can be found and carved. There is no way to add unknown file types. The file name is found in the ...
Recuva can recover files deleted from internal and external hard disk drives, USB flash drives, memory cards, portable media players or all random-access storage mediums with a supported file system. The program works on FAT, exFAT and NTFS file systems of Windows, [4] and as of version 1.5.3 it can also recover files from Ext2, Ext3 and Ext4 ...
Log carving occurs when a recovery program uses information left over in either file system structures or the log to recover a deleted photo. For example, occasionally NTFS will store in the logs the exact location of where the file was located prior to its deletion. A program using log carving will be able to then recover the photo.
The most common data recovery scenarios involve an operating system failure, malfunction of a storage device, logical failure of storage devices, accidental damage or deletion, etc. (typically, on a single-drive, single-partition, single-OS system), in which case the ultimate goal is simply to copy all important files from the damaged media to another new drive.
Interactive Forms is a mechanism to add forms to the PDF file format. PDF currently supports two different methods for integrating data and PDF forms. Both formats today coexist in the PDF specification: [38] [53] [54] [55] AcroForms (also known as Acrobat forms), introduced in the PDF 1.2 format specification and included in all later PDF ...
Foremost is a forensic data recovery program for Linux that recovers files using their headers, footers, and data structures through a process known as file carving. [3] Although written for law enforcement use, the program and its source code are freely available and can be used as a general data recovery tool. [2]