Prerequisite and related information

File Manager documentation supports the following tasks:

Planning for, installing, customizing, and maintaining File Manager
Refer first to the File Manager Customization Guide, which may then refer you to the File Manager Program Directory (shipped with the product tape) for some information.
Using FM/IMS
This document, the File Manager User’s Guide and Reference for IMS Data, is a guide to using FM/IMS. When using FM/IMS under ISPF, you can also refer to the online help.