$ hdiutil convert -format UDRW -o CONVERTED_BOOTABLE_IMAGE.img ORIGINAL_ISO_IMAGE.iso
$ diskutil list /dev/disk0 #: TYPE NAME SIZE IDENTIFIER 0: GUID_partition_scheme *121.3 GB disk0 1: EFI EFI 209.7 MB disk0s1 2: Apple_CoreStorage 121.0 GB disk0s2 3: Apple_Boot Boot OS X 134.2 MB disk0s3 . . . . /dev/disk4 #: TYPE NAME SIZE IDENTIFIER 0: FDisk_partition_scheme *4.0 GB disk4 1: DOS_FAT_32 Transcend 4.0 GB disk4s1 $
$ diskutil unmountDisk /dev/disk4
$ sudo dd if=CONVERTED_BOOTABLE_IMAGE.dmg of=/dev/rdisk4 bs=1m
$ diskutil eject /dev/disk4