When reviewing various IT certifications for your employees, you might be wondering; which ones are really worth it and which ones are just nice pieces of paper to hang on the wall? This, of course, all depends on what you need someone certified for. If you run a Linux system throughout your entire company and you need someone to help manage it, it manages absolute sense to help one of your employees become certified in Linux. Is this certification right for your company? Let's take a better look.