VPS hosting is a Virtual Private Server, and is a virtualized server. A VPS hosting environment mimics a dedicated server within a shared hosting environment. It is technically both shared hosting and dedicated hosting.
VPS Hosting is one of several types of web hosting accounts you can choose from to host your website online. To have a website on the internet, you need to have your website files on a web server.
Setting up and managing a server can not only be expensive, but difficult too. Purchasing web hosting allows someone to rent space on a web server, making it easier for the average person to have host a website online because all they need to do is upload their site files (no server setup is needed on their part).
Virtual Private Server (VPS) is the most liked hosting option for many webmasters all over the world mainly because of its beneficial and attractive features. As far as definition concern, a VPS is a virtual machine in which the hosting provider offers Internet hosting services. In the VPS hosting, multiple websites can host on a single machine. However, each website has the freedom of accessing server root access without any interruption.
In simple words, the functionality of the VPS is somehow related and equivalent to the dedicated physical server