Create an empty .dmg image
1. Open “Disk Utility”
Open the Mac OS X utility called “Disk Utility”. It can be found in the “Applications” folder and inside the “Utilities” folder. Or… be cool and use spotlight to open the application.
2. Click “New Image”
3. Name .dmg, image, and set options
- Size: Size of image
- Format: How the image file is constructed (The default will meet most needs)
- Encryption: No need for this if you are creating the image to burn to a disk
- Partitions: Ditto
- Image Format: read/write disk image will meet most needs