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O

OCLC

Online Computer Library Center

Nonprofit library service and research organization located in Dublin, Ohio, used by libraries to catalog library materials, manage interlibrary loans and maintain location information on library materials. In Montana, many libraries of all types use the OCLC bibliographic database for cataloging, interlibrary loan and reference.


OKTA

Formerly known as ePass, OKTA is the Montana State Authentication system used to keep track of login information.


OPAC

Online Public Access Catalog

Automated catalog providing patron access through computers. See also PAC.