Create a TestDisk FreeDos LiveCD

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This document explains how to create under Linux a LiveCD running FreeDOS that automatically start TestDisk.

  • Download FreeDOS OEM CD-ROM disc builder assistant
wget -N http://www.fdos.org/bootdisks/ISO/FDOEMCD.builder.zip
  • Download the DOS version of TestDisk & PhotoRec
wget -N https://www.cgsecurity.org/testdisk-6.12.dos.zip
  • Cleanup the work directory if it already exists
rm -rf FDOEMCD
  • Uncompress the archive
unzip FDOEMCD.builder.zip
  • Uncompress latest version of TestDisk & PhotoRec
cd FDOEMCD/CDROOT
unzip ../../testdisk-6.12.dos.zip
mv testdisk-6.12 testdisk
  • Create an autorun script
echo "@ECHO OFF" > AUTORUN.BAT
echo "CLS" >> AUTORUN.BAT
echo "CD TESTDISK" >> AUTORUN.BAT
echo "TESTDISK.EXE" >> AUTORUN.BAT
  • This script must use DOS newlines, not Unix ones
unix2dos AUTORUN.BAT
  • Create the iso image using mkisofs
cd ..
mkisofs -o testdisk.iso -p "Christophe Grenier" -publisher "www.cgsecurity.org" -V "TestDisk CD" \
-b isolinux/isolinux.bin -no-emul-boot -boot-load-size 4 -boot-info-table -N -J -r \
-c boot.catalog -hide boot.catalog -hide-joliet boot.catalog CDROOT
  • Boot from this iso image in qemu emulator
qemu -localtime -boot d -cdrom testdisk.iso -hda disk.dd
  • If everything is ok, burn the iso
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