dd

command
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Published: Jan 27, 2019 License: BSD-3-Clause Imports: 13 Imported by: 0

Documentation

Overview

Convert and copy a file.

Synopsis:

dd [OPTIONS...] [-inName FILE] [-outName FILE]

Description:

dd is modeled after dd(1).

Options:

-ibs n:   input block size (default=1)
-obs n:   output block size (default=1)
-bs n:    input and output block size (default=0)
-skip n:  skip n ibs-sized input blocks before reading (default=0)
-seek n:  seek n obs-sized output blocks before writing (default=0)
-conv s:  comma separated list of conversions (none|notrunc)
-count n: copy only n ibs-sized input blocks
-if:      defaults to stdin
-of:      defaults to stdout
-oflag:   comma separated list of out flags (none|sync|dsync)
-status:  print transfer stats to stderr, can be one of:
    none:     do not display
    xfer:     print on completion (default)
    progress: print throughout transfer (GNU)

Notes:

Because UTF-8 clashes with block-oriented copying, `conv=lcase` and
`conv=ucase` will not be supported. Additionally, research showed these
arguments are rarely useful. Use tr instead.

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