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Update dd
There is a small error in this sample : **bs=BYTES** --> read and write up to BYTES bytes at a time **count=N** --> copy only N input blocks just inverse please
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# Read from {/dev/urandom} 2*512 Bytes and put it into {/tmp/test.txt}
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# Note: At the first iteration, we read 512 Bytes.
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# Note: At the second iteration, we read 512 Bytes.
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dd if=/dev/urandom of=/tmp/test.txt count=512 bs=2
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dd if=/dev/urandom of=/tmp/test.txt count=2 bs=512
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# Watch the progress of 'dd'
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dd if=/dev/zero of=/dev/null bs=4KB &; export dd_pid=`pgrep '^dd'`; while [[ -d /proc/$dd_pid ]]; do kill -USR1 $dd_pid && sleep 1 && clear; done
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