In the HIC system, large quantities of technical documentation must be managed. HIC adopted codebase DBMS for managing document. Basically, documents are composed of titles, outlines, document keywords and document files. All documents are can be prepared in various format(MS word, postscript...), and these documents are stored in HIC in the form of HTML through the user forms, along with the fields mentioned earlier. Documents are searched, carrying each field value in a similar way to the existing search drives. Up to 6 search keywords and their combinations can be used when searching documents. To effectively manage the histories, the dates, times and file sizes of all documents, when being registered, are automatically recorded by this system