3 examples for dd

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  # write an image to the disk at sdb with a buffersize of 1 megabyte
dd if=/path/to/liveusb.img of=/dev/sdb bs=1M
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  # Output your microphone to a remote computer's speaker.
dd if=/dev/dsp | ssh -c arcfour -C username@host dd of=/dev/dsp
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  # Create a random 3MB file on your desktop
dd if=/dev/urandom of=~/Desktop/test.txt bs=1M count=3