Backing Up and Restoring Drives

• https://osxdaily.com/2018/04/18/write-image-file-sd-card-dd-command-line/

• https://askubuntu.com/questions/227924/sd-card-cloning-using-the-dd-command

• List drives: diskutil list

• If mounted volume, run diskutil unmountDisk force /dev/whatev

• Back up: sudo dd if=/dev/whatev of=/path/to/file.img bs=1m status=progress

• Restore: sudo dd if=/path/to/file.[img|dd] of=/dev/whatev bs=1m status=progress