Every virtual or dedicated hosting server has its own Operating System and functions independently from the servers of other clients. Updating the OS is often overlooked, but doing that might have a wide range of advantages for your websites. The most essential reason to employ the latest version is that patches are typically released to fix security holes in the Operating System code, so if you do not install the updates, you risk people with malicious intentions to exploit these holes and to access your content. OS updates are also released for improved functionality of the system overall and for better compatibility with the hardware on the market, which can instantly affect the performance of your websites. If the efficiency and the security of your scripts is the reason to update them, you may also know that their most recent versions require an updated Operating System so as to function properly, therefore keeping the Operating system up-to-date is always a wise idea.