Aside from the others already mentioned, it's very useful in infrastructure-as-code context like Kubernetes. I also used diff at work today to compare the outp

Aside from the others already mentioned, it's very useful in infrastructure-as-code context like Kubernetes. I also used diff at work today to compare the output of two different 'docker history' outputs to look for what a high-level overview of changes made by a contractor tasked with hardening a base image.