hdiutil

Utility to create and manage disk images.

Mount an image:

hdiutil attach {{path/to/image_file}}

Unmount an image:

hdiutil detach /Volumes/{{volume_name}}

List mounted images:

hdiutil info

Create an ISO image from the contents of a directory:

hdiutil makehybrid -o {{path/to/output_file}} {{path/to/directory}}