I have god 15 years of experience and generally only a small part of my time is spent "programming". A lot is about setting up servers, databases, setting up my

I have god 15 years of experience and generally only a small part of my time is spent "programming". A lot is about setting up servers, databases, setting up my dev environment set up to reproduce bugs. Assuming you are writing software that runs on a Linux based server it's pretty useful to know how it works.