A virtual or a dedicated hosting server is a standalone machine, which has its own Os and always keeping the latter up-to-date is an essential, though underestimated task. Not simply can an update enhance the general performance of your websites, but it could also save you a lot of issues later on. An update may be released for a variety of reasons, the most frequent being to fix recently identified security holes, which may allow third-party individuals to access and change the content which you have on the server. You will also see an improved functionality of your web applications because updates may also be released for better compatibility between the Os and the configuration it operates on so that you can get the most out of the hardware. Additionally, if you keep your applications up-to-date, they could need a later Operating system version which will have the required software dependencies and will enable them to function effectively.