Back to Main page of KG Purpose History/News Roadmap Downloads Copyright Like dd , dd_rescue does copy data from one file or block device to another. You can specify file positions (called seek and Skip in dd ). There are several differences: dd_rescue does not provide character conversions. The command syntax is different. Call dd_rescue -h . dd_rescue does not abort on errors on the input file, unless you specify a maximum error number. Then dd_rescue will abort when this number is reached. dd_rescue does not truncate the output file, unless asked to. You can tell dd_rescue to start from the end of a file and move backwards. It uses two block sizes, a large (soft) block size and a small (hard) block size. In case of errors, the size falls back to the small one and is promoted again after a while without errors. The latter three features make it suitable for rescuing d...