You'll also want to determine how long you'll need VPS web hosting. If you need hosting for a short time period—say, less than a month or two—you'll typically receive a refund should you cancel your hosting within 60 days. These money-back guarantees vary from web host to web host. For example, Company X may offer a 30-day money-back guarantee, while Company Y may offer a lengthy 90-day money-back guarantee. As always, it's best to shop around for the features that best suit your web hosting needs.
A VPS runs its own copy of an operating system (OS), and customers may have superuser-level access to that operating system instance, so they can install almost any software that runs on that OS. For many purposes they are functionally equivalent to a dedicated physical server, and being software-defined, are able to be much more easily created and configured. They are priced much lower than an equivalent physical server. However, as they share the underlying physical hardware with other VPSes, performance may be lower, depending on the workload of any other executing virtual machines.[1]
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