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2. Comparison of disc image software - Wikipedia

   en.wikipedia.org/wiki/Comparison_of_disc_image...

   Name Creates [a] Modifies? [b]Mounts? [c]Writes/ Burns? [d]Extracts? [e]Input format [f] Output format [g] OS License; 7-Zip: Yes: No: No: No: Yes: CramFS, DMG, FAT ...

3. Optical disc image - Wikipedia

   en.wikipedia.org/wiki/Optical_disc_image

   ISO images can be created from optical discs by disk imaging software, or from a collection of files by optical disc authoring software, or from a different disk image file by means of conversion. Software distributed on bootable discs is often available for download in ISO image format; like any other ISO image, it may be written to an optical ...

4. Disk image - Wikipedia

   en.wikipedia.org/wiki/Disk_image

   A disk image is a snapshot of a storage device's structure and data typically stored in one or more computer files on another storage device. [1] [2]Traditionally, disk images were bit-by-bit copies of every sector on a hard disk often created for digital forensic purposes, but it is now common to only copy allocated data to reduce storage space.

5. ISO 9660 - Wikipedia

   en.wikipedia.org/wiki/ISO_9660

   The rest begins with a volume descriptor set (a header block which describes the subsequent layout) and then the path tables, directories and files on the disc. An ISO 9660 compliant disc must contain at least one primary volume descriptor describing the file system and a volume descriptor set terminator which is a volume descriptor that marks ...

6. IMG (file format) - Wikipedia

   en.wikipedia.org/wiki/IMG_(file_format)

   The file size of a raw disk image is always a multiple of the sector size. For floppy disks and hard drives this size is typically 512 bytes (but other sizes such as 128 and 1024 exist). More precisely, the file size of a raw disk image of a magnetic disk corresponds to: Cylinders × Heads × (Sectors per track) × (Sector size)

7. Universal Disk Format - Wikipedia

   en.wikipedia.org/wiki/Universal_Disk_Format

   Universal Disk Format (UDF) is an open, vendor-neutral file system for computer data storage for a broad range of media. In practice, it has been most widely used for DVDs and newer optical disc formats, supplanting ISO 9660.