Each and every virtual or dedicated hosting machine has its own Operating System and operates independently from the hosting machines of other customers. Updating the Operating system is usually overlooked, but doing that may have a wide range of benefits for your websites. The most essential reason to employ the most recent version is that patches are frequently released to deal with security holes in the Os code, so if you don't install the updates, you risk individuals with harmful intentions to use these holes and to access your content. Operating system updates are also released for much better performance of the system as a whole and for far better compatibility with the hardware available on the market, which can immediately affect the performance of your websites. If the efficiency and the security of your scripts is the reason to update them, you might also know that their most recent versions require an updated Os in order to work effectively, consequently keeping the OS up-to-date is always recommended.