May 21, 2022
ddrescue Tool | IEMLabs

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

Download Link:- https://gitlab.com/kalilinux/packages/ddrescue

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