The Burn Folder/File… and Burn Image… commands let you burn files and folders to CD or DVD. This requires an internal or external drive that supports Mac OS X disc burning. You can continue to use DropDMG to create images or archives while a disc is burning, and if you have multiple optical drives you can even burn more than one disc at a time.
If you choose a folder, the Burn Folder/File… command makes the contents of the disc look like the contents of the folder. The name of the folder becomes the name of the disk. If you choose a file, it burns a disc whose content is that single file. The name of the disc is the file’s name, without the extension.
The Burn Image… command makes the contents of the disc look like the contents of the disk image. The volume name of the mounted disk image becomes the name of the disc. If the disk image is a device image that contains multiple partitions, then the burned disc will have multiple partitions. The Burn Image… command requires Mac OS X 10.4 or later.
When burning a disk image file, you need to choose whether to use Burn Folder/File… or Burn Image…. Use Burn Folder/File… if:
Use Burn Image… if:
As a shortcut to choosing Burn Folder/File… or Burn Image… from the File menu, you can hold down the Shift key while dragging and dropping a folder or image file onto DropDMG’s icon or the status window. DropDMG will burn images as images and non-images as folders/files. If you want to burn an image as a file, hold down the Shift and Option keys.
You can also initiate burns from Terminal:
dropdmg --burn-image ~/Desktop/Image.dmg dropdmg --burn-file ~/Desktop/Folder