Creating an ISO image on Mac

1. Create a folder of the stuff you want to put in the image.
2. Launch Disk Utility and choose File -> New -> Disk Image From Folder.
3. In the Select Folder to Image dialog box that appears, select your folder and click Image.
4. In the resulting New Image From Folder dialog box choose DVD/CD Master and None from the Encryption pop-up menu.
5. Save the image.

6. Open Terminal and type:

   cd ~/Desktop

   hdiutil makehybrid -iso -joliet -o "Test".iso "Test".cdr