ddrescue − manual page for ddrescue version 1.2
ddrescue [options] infile outfile [logfile]
GNU ddrescue - Data recovery tool. Copies data from one file or block device to another, trying hard to rescue data in case of read errors.
−h, −−help
display this help and exit
−V, −−version
output version information and exit
−b, −−block−size=<bytes>
hardware block size of input device [512]
−B, −−binary−prefixes
show binary multipliers in numbers [default SI]
−c, −−cluster−size=<blocks>
hardware blocks to copy at a time [128]
−C, −−complete−only
do not read new data beyond logfile limits
−e, −−max−errors=<n>
maximum number of error areas allowed
−i, −−input−position=<pos>
starting position in input file [0]
−n, −−no−split
do not try to split error areas
−o, −−output−position=<pos>
starting position in output file [ipos]
−q, −−quiet
quiet operation
−r, −−max−retries=<n>
exit after given retries (-1=infinity) [0]
−s, −−max−size=<bytes>
maximum size of data to be copied
−t, −−truncate
truncate output file
−v, −−verbose
verbose operation
Numbers may be followed by a multiplier: b = blocks, k = kB = 10^3 = 1000, Ki = KiB = 2^10 = 1024, M = 10^6, Mi = 2^20, G = 10^9, Gi = 2^30, etc...
Report bugs to bug-ddrescue AT gnu DOT org
Copyright © 2006 Antonio Diaz Diaz. This program is free software; you may redistribute it under the terms of the GNU General Public License. This program has absolutely no warranty.
The full documentation for ddrescue is maintained as a Texinfo manual. If the info and ddrescue programs are properly installed at your site, the command
info ddrescue
should give you access to the complete manual.