# enhanced version of GNU dd with features useful for forensics and security.
# includes ability to have multiple output targets

# write file image to an SD card showing a progress bar based on filesize
sudo dcfldd if=./raspbian.img of=/dev/mmcblk0 sizeprobe=if

# write file image to multiple targets drives at once with progress bar
dcfldd if=./raspbian.img of=/dev/sdb of=/dev/sdc of=/dev/sdd sizeprobe=if