MacBook で ISO を DD したら起動できなかったのでメモ ref: https://qiita.com/FoxBoxsnet/items/04e20d5e72b9b58b97f9

file0.txt

$ diskutil unmountDisk /dev/disk2
$ dd if=<isoimage.iso> of=/dev/disk2 bs=1m

iso-dd.sh

#!/bin/bash

cmdname=`basename $0`


# usage
function usage(){
  cat << EOF
    Usage: ${cmdname} [ISO file]
EOF
}

function diskwrite(){
  diskutil list

  printf "Device name (ex: /dev/disk2): "
  read DeviceName

  echo "-- ================================================"
  echo "-- Converting ISO Image..."
  echo "-- ================================================"
  hdiutil convert -format UDRW -o tmp.img "$1"


  echo "-- ================================================"
  echo "-- Disk Formating..."
  echo "-- ================================================"
  diskutil eraseDisk FAT32 UNTITLED MBR "$DeviceName"
  diskutil unmountDisk "$DeviceName"
  diskutil list $DeviceName

  echo "-- ================================================"
  echo "-- Disk Copy files..."
  echo "-- ================================================"
  echo "Please enter sudo password"
  mkdir -p .copytmp
  hdiutil mount $DeviceName
  hdiutil mount tmp.img.dmg -mountpoint .copytmp
  cp -rv .copytmp/ /Volumes/UNTITLED/
  diskutil eject .copytmp
  rm -rf .copytmp

  echo "-- ================================================"
  echo "-- Disk Eject..."
  echo "-- ================================================"
  diskutil eject "$DeviceName"
  rm -f tmp.img.dmg

  echo "-- ================================================"
  echo "-- Write complete!"
  echo "-- ================================================"
}

if [ $# -ne 1 ]; then
  usage
  exit 1
else
  diskwrite "$1"
  exit 0
fi