# hdiutil convert /path/to/refit-0.14.cdr -format UDRW -o /path/to/refit-0.14.img # diskutil list # diskutil unmountDisk /dev/disk2 # sudo dd if=/path/to/refit-0.14.img.dmg of=/dev/rdisk2 bs=1m Using rdisk2 here seems to speed up things # diskutil eject /dev/disk2

$ du -hs * 2> >(egrep -iv ‘permission denied|cannot access') | sort -n