(originally developed by Binary Research, later acquired by Symantec) was a legendary disk imaging and cloning tool first released in the mid‑1990s. The term “Norton Ghost Portable” does not refer to an official Symantec product. Instead, it describes community‑modified, standalone versions of classic Norton Ghost (typically v11.5 or v12) that run directly from a USB drive, CD/DVD, or external hard disk without a full Windows installation .