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