With a VPS, you open a world of possibilities that would not be possible on shared hosting because of restrictions.
VPS stands for Virtual Private Server. This refers to the partitioning of a physical server into multiple servers. In effect, each one acts just like a dedicated server, you get all the features of a dedicated server but at a lower price. Each VPS has its own operating system, and each can be rebooted separately. These operating systems each receive a specific share of the resources of the physical server, no more and no less, they are isolated from each other so that one cannot interfere with another. If one VPS experiences problems or tries to use too much memory or CPU resources, it has no effect on the others.
There are many advantages to selecting a VPS, it costs less than a fully dedicated server and provides a great deal of freedom and flexibility over the limitations and restrictions of shared hosting. You are limited only by the capabilities of the VPS, so select one powerful enough to meet your needs. You can always upgrade later if you decide it becomes necessary.
Two of the most popular virtualisation technologies are: Xen and OpenVZ. Right now we offer only Xen-virtualized VPS servers.
Since you are supposed to manage your VPS yourself, we recommend you have a good understanding of Linux commands and are familiar with the WHM/cPanel control panel. You can get a VPS without WHM/cPanel, but in this case, you would need to have very advanced knowledge of Linux.
If you don't feel you have the technical expertise necessary to manage your own VPS, there is no need to let that stop you - you can select full management for an additional fee.
You won't have root access, and it will act much like a shared hosting plan, but you will still make the decisions.