hdiutil convert -format UDRW -o ~/destinationISO.img ~/sourceISO.iso sudo diskutil umount [/dev/usbdisk path] sudo dd if=destinationISO.img.dmg of=/dev/disk3 bs=1m sudo diskutil eject /dev/disk2 Burn a bootable iso to USB Disk on OSX Related posts: Howto :: LAMP Stack on Centos 7