A server, usually a Web server, that shares computer resources with other virtual servers. In this context, the virtual part simply means that it is not a dedicated server– that is, the entire computer is not dedicated to running the server software.
Virtual Web servers are a very popular way of providing low-cost web hosting services. Instead of requiring a separate computer for each server, dozens of virtual servers can co-reside on the same computer. In most cases, performance is not affected and each web site behaves as if it is being served by a dedicated server. However, if too many virtual servers reside on the same computer, or if one virtual server starts hogging resources, Web pages will be delivered more slowly.
- virtual tape library
A VTL, or virtual tape library, is an archival backup solution that combines traditional tape backup methodology with low-cost disk technology to create an optimized backup and recovery solution. It is an intelligent disk-based library that emulates traditional tape devices and tape formats. Acting like a tape library with the performance of modern disk drives, […]
- virtual teletype
Abbreviated as VTY, virtual teletype is a command line interface that enables users to connect to the daemon using the Telnet protocol. To connect to a VTY users must setup and use a VTY password. VTY offers three user modes including the following; VTY View Mode for read-only interaction. VTY Enable Mode for read-write interaction. […]
- virtual tour
A panoramic view or video simulation of an existing place that can be viewed online, often for travel or vacation-related research. A virtual tour is usually a collection of panoramic images that are played in sequence to view like a moving video with added sound and text effects, or a virtual tour may use models […]
In computing, virtualization means to create a virtual version of a device or resource, such as a server, storage device, network or even an operating system where the framework divides the resource into one or more execution environments. Even something as simple as partitioning a hard drive is considered virtualization because you take one drive […]
- Virus (Computer Virus)
A computer virus is a program or piece of code that is loaded onto your computer without your knowledge and runs against your wishes. Viruses can also replicate themselves. All computer viruses are man-made. A simple virus that can make a copy of itself over and over again is relatively easy to produce. Even such […]