Shared hosting allows thousands of people to host their own sites at a very reasonable cost. It has some drawbacks, however. Since hundreds of sites can be hosted on a single server resources such as CPU, disk space, and bandwidth have to be shared with your virtual neighbours.
Shared resources are usually not a problem for small to medium sized sites. Your main limitation is the lack of control over system level software http servers, mail servers etc. You don’t have any choice of operating system and you cannot compile programs or do administrative tasks such as setting up Spam filters or firewalls.
Many people would say ‘So what? I don’t want to do that stuff anyway!’ It’s true that the majority of website owners have no interest or ability to handle this kind of work and are happy to leave it to the hosting company. Those who desire more control over their server environment or wish to experiment with new software, however, can get access to this level of management with a Virtual Private Server.
A virtual private server (VPS) is a physical server that has been divided (using software) into several virtual machines, each...