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What does OLS stand for?

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Rank Abbr.Meaning
OLSOttawa Linux Symposium
OLSOperation Lifeline Sudan
OLSOrganizational Leadership and Supervision
OLSOnline Learning System
OLSOuter Letter Sheet (philatelic term)
OLSOL Slaton (Junior High School; Lubbock, TX)
OLSOrder of the Lion of Styria (apostolic religious order; Northridge, CA)
OLSOur Lady of Sorrows (various organizations)
OLSOne Local Summer
OLSOperation Lifesaver (various locations)

showing only Organizations definitions (show all 38 definitions)

Note: We have 128 other definitions for OLS in our Acronym Attic