VPS hosting is compared with Shared hosting(virtual hosting) and dedicated hosting.VPS hosting has more advantages.

1,VPS hosting is a special server hosted technology between the traditional virtual hosting and dedicated hosting

2,By performance,VPS hosting has more security and expanded which is no substantive difference with dedicated hosting.

3,For VPS hosting,No need pay an additional expenditure of hardware maintenance and management costs.

4,VPS hosting has the right of independent management of the systemtradition which the traditional virtual hosting(shared hosting)do not have.

5,Compared with traditional virtual hosting(shared hosting),VPS hosting has the obvious superiority in
bandwidth\speed\space.

6,VPS system administrator can absolutely control and configure their “server”.
a.provide CGI programs for your own users freely.
b. installing dynamic modules
c. adjust their own database

7,Costs:spending only 1 / 4 or 1 / 5 cost of an independent server to own a VPS hosting.

Plus:

The relationship between VPS hosting,Virtual hosting and Dedicated hosting:
Dedicated hosting can be divided into a number of vps hosting and virtual hosting
VPS hosting could be divided into multiple Virtual hosting
Shared hosting(Virtual hosting) can only be an division of  VPS hosting and Dedicated hosting.