The issue focused on technology not core software and software systems. IBM software systems were written for IBM hardware and hardware systems were designed for IBM software. IBM software systems were software systems with IBM hardware systems (including IBM hardware systems that support IBM software systems). IBM software systems were software systems with IBM hardware systems (including IBM hardware systems that support IBM software systems). IBM software systems were software systems with IBM hardware systems (including IBM hardware systems that support IBM software systems). IBM software systems were software systems with IBM hardware systems (