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36 lines
902 B
Markdown
36 lines
902 B
Markdown
## Name
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dd - copy blocks of data
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## Synopsis
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```**sh
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$ dd if=[input_file] of=[output_file] [args...]
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```
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## Description
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`dd` is an application used to write blocks of data from one file to another. A common use case for `dd` is to make a bootable hard drive from a ISO file.
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## Options
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* `--help`: Display help message and exit
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## Arguments
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* `if`: input file (or device) to read from (default: stdin)
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* `of`: output file (or device) to write to (default: stdout)
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* `bs`: block size (of bytes) to use (default: 512)
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* `count`: number of blocks to write
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* `seek`: number of output blocks to skip (default: 0)
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* `skip`: number of input blocks to skip (default: 0)
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* `status`: level of output (default: default)
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* `default`: error messages + final statistics
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* `none`: just error messages
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* `noxfer`: no final statistics
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## Examples
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```**sh
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$ dd if=/dev/zero of=./zeros bs=1M count=1
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```
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