Document managing system, document use controller, document storage device, document managing method, and computer readable medium for updating index information at a storage device in response to change of index use permit/inhibit information at a document use controller

Abstract

A document managing system includes: a document use controller; and a document storage device, the document use controller including: a managing unit; and an instructing information transmitting unit, and the document storage device including: an index information holding unit; an instructing information receiving unit; and an index information updating unit, wherein the index information updating unit updates an index information so as to change the permission/inhibition of the use of contents of the storage document on the basis of an identifier of a storage document included in instructing information received by the instructing information receiving unit.