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Copy files from one place to another with dd. This is a good way to write an ISO to a USB drive or just to another place.

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The dd utility may be used to copy a file from one place to another, this is good to copy a ISO file to a USB thumb drive.

This parameter is good for getting feedback about how long a file copy is taking, this is good if it is a big file.

bs=4M oflag=direct,dsync

Use it like this, it will constantly update with the file progress.

4.4 Thu Oct 25 jason@Yog-Sothoth 0: $ dd if=~/Downloads/Win8.1_English_x64.iso of=~/Desktop/Win8.1_English_x64.iso bs=4M oflag=direct,dsync status="progress"
4320133120 bytes (4.3 GB, 4.0 GiB) copied, 186 s, 23.2 MB/s
1030+1 records in
1030+1 records out
4320526336 bytes (4.3 GB, 4.0 GiB) copied, 186.159 s, 23.2 MB/s

This is therefore very useful for copying large files from one place to another, instead of using cp.


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