isomaster: isomaster (an open-source, GUI CD image editor for Linux and BSD) isomaster: isomaster: isomaster is an open-source, GUI CD image editor for Linux and BSD. isomaster: Basically you can use this program to extract files from an ISO, isomaster: add files to an ISO, and create bootable ISOs isomaster: all in a graphical user interface isomaster: isomaster: isomaster: isomaster: isomaster: