A Legacy System is an outdated software or hardware platform still in use, often critical to business operations despite its age. These systems may lack support, scalability, or compatibility with modern technologies. Modernizing or replacing legacy systems helps improve efficiency, security, and integration with current tools and business processes. Read LANSA's blog. https://lansa.com/blog/application-modernization/ibm-i-modernization/achieving-fast-and-modular-ibm-i-modernization-with-ramp/