Burning DVDISO File to Create a Backup ISO on a New Disc

Abstract: Learn how to burn a DVDISO file to create a backup ISO on a new disc. We'll ensure the new ISO is identical to the original ISO, even if the ISO file hash might change...

Created: 2025-04-11 by UserComp.com Editors

Comparing ISO File Hashes

Comparing Burned DVD ISO File to Original ISO

To determine if a burned DVD ISO file is identical to the original ISO, we can compare their file hashes.

Steps to Compare File Hashes

Extract the ISO file from the DVD.
Calculate the file hash of the original ISO.
Calculate the file hash of the burned ISO.
Compare the hashes.

Calculating File Hashes


  shasum -a 256 original_iso_file.iso

If the hashes are identical, the burned ISO is identical to the original ISO. If the hashes differ, the burned ISO is not identical to the original ISO.

References

Tags: Linux Windows MacOS Hardware

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