User's Manual

Glossary 453
TFTP
Trivial file transfer protocol, a simple file transfer protocol used for downloading
boot code to diskless devices or systems.
UPS
Uninterruptible power supply
USB
Universal serial bus, a serial bus standard to interface devices.
UTC
Universal Coordinated Time. See GMT.
vKVM
Virtual keyboard-video-mouse console
VLAN
Virtual local area network
VNC
Virtual network computing
VT-100
Video Terminal 100, which is used by the most common terminal emulation
programs.
WAN
Wide area network