dd if=/dev/sdaX bs=16M | xz -9 --block-size=16MiB - > sdaX.img.xz
dd if=/dev/sdX bs=16M | gzip -9 > sdX.img.gz
dd if=/dev/hdaX | gzip -c -9 | ssh user@remote_server dd of=/dest/path/hdaX.img.gz
Import-Module bitstransfer
start-bitstransfer -source http://google/googe.tar -destination c:\google.tar