growisofs is a SCSI/MMC driver in userspace for burning optical media, like cdrecord or libburn. Its original purpose is to coordinate burning with a run of mkisofs, so that ISO 9660 multi-session becomes possible on DVD+RW media.
Growisofs acts as a SCSI/MMC driver in userspace for optical disc burning, comparable to cdrecord or libburn. Its role is to coordinate burning with mkisofs to achieve multi-session ISO 9660 functionality on DVD+RW media.