What does UMS stand for?

What does UMS mean?

UMS	U S B Mass Storage Computing » General
UMS	Unified Messaging Service Computing » Networking
UMS	Unified Messaging Service Computing » Software
UMS	Usb Mass Storage Miscellaneous » Unclassified
UMS	Up My Street Miscellaneous » Unclassified
UMS	Unified Messaging Service Computing » Telecom
UMS	Use Map Settings Governmental » Military
UMS	User Management System Computing » Security
UMS	Under My Skin Internet » Chat
UMS	University of Mississippi Academic & Science » Universities
UMS	Uniform Mark Scale Miscellaneous » Unclassified
UMS	Universal Mass Storage Computing » Hardware
UMS	United Mexican States International » Mexican
UMS	Universal Measuring System Miscellaneous » Unit Measures
UMS	UTACCS Message System Governmental » Military
UMS	Urban Music Showcase Community » Music
UMS	Usb Mass Stroage Miscellaneous » Unclassified
UMS	Ultra Much Space Miscellaneous » Funnies
UMS	Useless Motivational Slogan Business » General
UMS	Under Main Sight Governmental » Military
UMS	Unit Medical Service Governmental » Military
UMS	Uniform Mark System Miscellaneous » Unclassified
UMS	Unit Management Software Computing » Software
UMS	Uniform Mark Score Miscellaneous » Unclassified
UMS	Universal Modding Studio Computing » Software