and system isn't rocket science, it's been coded by good engineers knowing the limit thus gives you a good abstraction for you to learn it quickly. that is, get hands dirty and start coding. Look at those who were _so_ good at Novell's NetWare admin goes? Loot at those who were _so_ good at openstack goes? And no more longer, you can see those who were _so_ good at k8s goes XD Look