Instructions for creating an ISO image with Disk Utility and Terminal.

Making an ISO image of a hard drive means creating a 1-to-1 backup copy that consists of a .iso file. Here are two ways to do just that.

When the file browser window opens, navigate to the folder on your computer that contains the ISO image you want to split into smaller pieces. With the file name of the ISO image highlighted ...

Download ISOBuddy, a freeware to perform CD/DVD disk operations such as: Convert any Image format into ISO, Convert DMG to ISO for Windows, etc.

If you find that Windows 11/10 ISO is too big for your DVD and you see message The disc image file is too large, then you need to know this.

I only mention IsoBuster because I always see it mentioned when someone's looking for free software to create iso images or extract info from an image.In my particular case, I've never completely ...