In-house library databases or "private files" (online catalog, library-created indexes, citations to journal literature) are discussed, focusing on computer software directories, periodicals, general directories, and online directories as sources for information on computer software. (EJS)

Issues having a possible impact on online search services in libraries are discussed including full text databases, front-end processors which translate user's input into the command language of an appropriate system, downloading to create personal files from commercial databases, and pricing. (EJS)