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 serves as a SCSI/MMC driver within user space for burning optical discs, akin to cdrecord or libburn. It synchronizes burning processes with mkisofs executions to facilitate multi-session ISO 9660 support on DVD+RW media.