Legacy

Volatile Organic Compounds (VOCs)

Organic (carbon-containing) compounds that evaporate readily at room temperature. These compounds are used as solvents, degreasers, paints, thinners, and fuels

VLAN

Virtual Bridged Local Area Network (see IEEE P802.1Q)

* A configuration of a networked server that appears to clients as an independent server but is actually running on a computer that is shared by any number of other virtual servers. Each virtual server can be configured as an independent website with its own hostname, content, and security settings * Virtual servers allow internet service providers to share one computer between multiple websites while allowing the owner of each website to use and administer the server as though they had complete control

Virtual Private Network (VPN)

The use of encryption in the lower protocol layers to provide a secure connection through an otherwise insecure network, typically the internet. VPNs are generally cheaper than real private networks using private lines but rely on having the same encryption system at both ends. The encryption may be performed by firewall software or possibly by routers

Virtual Machine (VM)

A self-contained operating environment that behaves as if it is a separate computer. For example, Java applets run in a Java virtual machine that has no access to the host operating system. This design has two advantages: * System Independence: An application will run the same in any VM regardless of the hardware and software underlying the system * Security: Because the VM has no contact with the operating system, there is little possibility of a program damaging other files or applications. The second advantage, however, has a downside.

Virtual

Common alternative to logical, often used to refer to the artificial objects (such as addressable virtual memory larger than physical memory) created by a computer system to help the system control access to shared resources