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<jargon /> |
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{{manpage}} |
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<man>dd</man> |
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<pre> |
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DD(1) FSF DD(1) |
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{{manpage}} |
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NAME |
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dd - convert and copy a file |
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SYNOPSIS |
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dd [OPTION]... |
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DESCRIPTION |
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Copy a file, converting and formatting according to the options. |
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bs=BYTES |
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force ibs=BYTES and obs=BYTES |
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cbs=BYTES |
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convert BYTES bytes at a time |
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conv=KEYWORDS |
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convert the file as per the comma separated keyword list |
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count=BLOCKS |
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copy only BLOCKS input blocks |
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ibs=BYTES |
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read BYTES bytes at a time |
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if=FILE |
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read from FILE instead of stdin |
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obs=BYTES |
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write BYTES bytes at a time |
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of=FILE |
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write to FILE instead of stdout |
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seek=BLOCKS |
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skip BLOCKS obs-sized blocks at start of output |
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skip=BLOCKS |
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skip BLOCKS ibs-sized blocks at start of input |
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--help display this help and exit |
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--version |
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output version information and exit |
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BLOCKS and BYTES may be followed by the following multiplicative suf- |
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fixes: xM M, c 1, w 2, b 512, kB 1000, K 1024, MB 1,000,000, M |
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1,048,576, GB 1,000,000,000, G 1,073,741,824, and so on for T, P, E, Z, |
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Y. Each KEYWORD may be: |
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ascii from EBCDIC to ASCII |
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ebcdic from ASCII to EBCDIC |
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ibm from ASCII to alternated EBCDIC |
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block pad newline-terminated records with spaces to cbs-size |
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unblock |
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replace trailing spaces in cbs-size records with newline |
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lcase change upper case to lower case |
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notrunc |
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do not truncate the output file |
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ucase change lower case to upper case |
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swab swap every pair of input bytes |
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noerror |
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continue after read errors |
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sync pad every input block with NULs to ibs-size; when used |
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with block or unblock, pad with spaces rather than NULs |
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AUTHOR |
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Written by Paul Rubin, David MacKenzie, and Stuart Kemp. |
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REPORTING BUGS |
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Report bugs to <bug-coreutils@gnu.org>. |
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COPYRIGHT |
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Copyright (C) 2002 Free Software Foundation, Inc. |
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This is free software; see the source for copying conditions. There is |
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NO warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR |
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PURPOSE. |
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SEE ALSO |
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The full documentation for dd is maintained as a Texinfo manual. If |
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the info and dd programs are properly installed at your site, the com- |
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mand |
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info dd |
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should give you access to the complete manual. |
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dd (coreutils) 4.5.3 February 2003 DD(1) |
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© 1994 Man-cgi 1.15, Panagiotis Christias <christia@theseas.ntua.gr> |
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</pre> |
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