The force driving server virtualization is similar to that which led to the development of time-sharing and multiprogramming in the past. Although the resources are still shared, as under the time-sharing model, virtualization provides a higher level of security, dependent on the type of virtualization used, as the individual virtual servers are mostly isolated from each other and may run their own full-fledged operating system which can be independently rebooted as a virtual instance.

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Partitioning a single server to appear as multiple servers has been increasingly common on microcomputers since the launch of VMware ESX Server in 2001. The physical server typically runs a hypervisor which is tasked with creating, releasing, and managing the resources of "guest" operating systems, or virtual machines. These guest operating systems are allocated a share of resources of the physical server, typically in a manner in which the guest is not aware of any other physical resources save for those allocated to it by the hypervisor. As a VPS runs its own copy of its operating system, customers have superuser-level access to that operating system instance, and can install almost any software that runs on the OS; however, due to the number of virtualization clients typically running on a single machine, a VPS generally has limited processor time, RAM, and disk space.[2]

If you register a domain with Bluehost when signing up for a hosting account, there is a domain fee that is non-refundable. This not only covers our costs, but ensures that you won't lose your domain name. Regardless of the status of your hosting service, you'll be free to manage it, transfer it after any required lock periods, or simply point it elsewhere at your convenience. You retain ownership of your domain until the end of its registration period unless you elect to extend it.

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What really makes our service faster is our Turbo Servers option featuring up to 20X faster page loads compared to competing solutions. Our Turbo Servers feature a drop-in, speed enhanced Apache alternative, more resources per user and fewer users per server. Our Turbo Servers also offer a number of caching solutions that can be easily configured in our exclusive A2 Optimized tool. Caching solutions improve page performance by storing key pieces of your website in memory, instead of having to load each portion of your page each time your site is accessed.

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If you are looking for a domain, WhoIs domain lookup can tell you if it's already owned by another entity and provide contact information for the domain name owner. WhoIs domain information can help you determine the proper contact for any domain listed in the Whois database. A WhoIs lookup identifies the administrator contact information, billing contact and the technical contact for each domain name listing or IP in the WhoIs database. A WhoIs IP search can also help you potentially determine the source of spam and other details related to a website.
At A2 Hosting, we understand your site speed is a critical element for success. Your site's speed impacts your SEO rankings, bounce rate, visitor satisfaction and most importantly your conversion rate. That's why you need to select the fast web hosting provider. That's why you need A2 Hosting. We're the website hosting services provider who offers the very best hardware, software, network and configurations. From WordPress to Drupal to Joomla, we pre-optimize the most popular software for you so you don't have to. You can even choose our Turbo Servers featuring up to 20X faster page loads compared to competing web hosting services on each of our Windows and Linux hosted solutions. This includes:

Are you a user who prefers to find answers to your own website hosting questions? We've got you covered there as well! That's because we have a Knowledgebase loaded with answers to the most commonly asked questions (and not so common questions) by our customers. We've also spent countless hours loading our knowledgebase with helpful, step-by-step guides complete with screenshots and images to help you along the way. It's going to be a truly invaluable resource for you!
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