Powering society by linking, the past to the future with IBM Z. 21st Century Software, Inc. develops and markets recovery assurance and enterprise disaster recovery solutions. For nearly twenty years, 21st Century Software has provided vision and validation to enterprise backup strategies by determining the most critical files required by applications and providing the fastest path to recovery. We compliment existing backup and archiving tools by monitoring application data activity in real time, determining what files are most critical and would need to be recovered. Our solutions are hardware-neutral and run on most major z/OS-based mainframes.