Virtual private server (VPS) is the term utilized in the net hosting business to refer to a virtual machine. Virtual private servers are similar in some approaches to dedicated servers and are related in other techniques to shared servers. In a VPS service, the client feels that he/she is allocated a separate server for his/her site. The client is supplied with a separate operating program and he/she can install any computer software that is permitted by the operating technique. The client is also allocated separate resources such as CPU time and bandwidth. These are the ways in which VPS hosting is comparable to devoted servers. In reality the client&rsquos operating program is stored in the same server as numerous other VPS operating systems (of other customers). In other words, the client in fact shares a single server with other VPS clients comparable to shared hosting. The distinction among shared hosting and VPS hosting is that the client is allocated separate software and other such non-physical resources in VPS hosting. The functionality of the client&rsquos operating technique is not at all influenced by the presence of other operating systems. VPS severs typically price a lot more than shared hosting, but is much less high-priced than dedicated servers. Some kinds of software will not function appropriately in a VPS operating environment. Such computer software includes anti-virus computer software and firewalls. The web hosting provider may also spot extra restrictions, but normally such restrictions are much more lenient than the restrictions placed on shared hosting. The number of VPS customers who can share one machine is restricted by the resources available in that machine (such as processor speed and RAM).