Setting that displays all of the startup messages (drivers loading, services starting, and so forth) generated as Mac OS X starts up. It is enabled by pressing Command-V at startup.
virtual memory
Scheme for managing the protected memory space and allocating the amount of memory needed by applications. Uses a swap file where inactive code segments are stored on disk.
VoiceOver
A spoken English interface introduced in Mac OS X 10.4.
VPN(Virtual Private Network)
Private data network that uses public telecommunications infrastructure but maintains privacy with tunneling protocols.
