“IBM plunged its proprietary mainframes headlong into the open source waters, delivering two Linux-only mainframes and its largest mainframe code drop to the open source community.
Conclusion: Native Linux on mainframes is an exciting new possibility but it makes you wonder if Linux is the best choice of an operating system for a mainframe. What about AIX? It’s supposedly more proper for large workloads than Linux; on POWER at least. And what about Ubuntu as a choice of Linux distribution? Wouldn’t Red Hat had been a better choice? It seems that IBM is losing trust in it’s core systems.