Operating Systems are commonly viewed from two major standpoints: managing computing resources, and hiding hardware idiosyncrasies while putting a friendly face

Operating Systems are commonly viewed from two major standpoints: managing computing resources, and hiding hardware idiosyncrasies while putting a friendly face for a user. The important hardware in this age is the 'collection of datacentres'. Things like Kubernetes and whatever Amazon calls their thing these days are the proto 'operating systems' for this hardware. What we currently think of as Operating Systems are more like threads.