VPS - Virtual Private Server Basics
Introduction
The web hosting market provides many opportunities in services for their customers. VPS has a very important place in the overall web hosting marketing. Therefore it is important to consider what type of vps product is to be used in a given service. Today we are going to discuss about what vps control panels are being used by major companies.
What Does VPS Mean?
VPS stands for “Virtual Private Server” and allows multiple Virtual Servers to run within one physical server. Each VPS gets its own portion of resources, which are usually guaranteed to be available to that particular VPS. For instance, imagine that a dedicated server has a specification of 8GB of RAM, and 320GB of hard disc. In these terms 256mb of RAM and 10 GB could be guaranteed to be available to a specific VPS. That would mean that regardless of what resources the other VPS’s on the same server are using, that amount of RAM and hard disc will be available for use.
Another very important point to note is that every running at the same server is independent from each other. Each has its own file system or operating system so a VPS can’t see any of the data of other VPS. For this reason each VPS has its own server load, can be rebooted individually, and so on. Basically it can be treated as a dedicated server by the end user.
Source : http://www.sitetoolcenter.com/webmaster-resource/vps.php