Absolutely. For example, if you pass "-v" to ssh, it prints paths to configs that it tried to open, paths to identity files that it tried to open, to known_host

Absolutely. For example, if you pass "-v" to ssh, it prints paths to configs that it tried to open, paths to identity files that it tried to open, to known_hosts files, etc. This info is not needed so very often, but when it is, it's incredibly useful.