## Name dd - copy blocks of data ## Synopsis ```**sh $ dd if=[input_file] of=[output_file] [args...] ``` ## Description `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. ## Options * `--help`: Display help message and exit ## Arguments * `if`: input file (or device) to read from (default: stdin) * `of`: output file (or device) to write to (default: stdout) * `bs`: block size (of bytes) to use (default: 512) * `count`: number of blocks to write * `seek`: number of output blocks to skip (default: 0) * `skip`: number of input blocks to skip (default: 0) * `status`: level of output (default: default) * `default`: error messages + final statistics * `none`: just error messages * `noxfer`: no final statistics ## Examples ```**sh $ dd if=/dev/zero of=./zeros bs=1M count=1 ```