File: ddrescue.info, Node: Top, Next: Introduction, Up: (dir) GNU ddrescue Manual ******************* This manual is for GNU ddrescue (version 1.28, 22 January 2024). * Menu: * Introduction:: Purpose and features of GNU ddrescue * Basic concepts:: Blocks, clusters, devices, files, sectors, etc * Important advice:: Read this or risk losing your data * Algorithm:: How ddrescue recovers the data * Output:: Meaning of ddrescue's screen output * Invoking ddrescue:: Command-line interface * Mapfile structure:: Detailed format of the mapfile * Emergency save:: Saving the mapfile in case of trouble * Optical media:: Copying CD-ROMs and DVDs * Examples:: A small tutorial with examples * Direct disc access:: Bypassing the kernel cache * Command mode:: Copying parts of the input file on demand * Fill mode:: Selectively overwriting the output file * Generate mode:: Generating an approximate mapfile * Ddrescuelog:: Tool for ddrescue mapfiles * Invoking ddrescuelog:: Command-line interface * Problems:: Reporting bugs * Concept index:: Index of concepts Copyright (C) 2004-2024 Antonio Diaz Diaz. This manual is free documentation: you have unlimited permission to copy, distribute, and modify it.