Most LDM utilities have UNIX® manual pages that describe behavior and operation. Such documentation is accessed via the UNIX® man(1) utility. For example:
The above assumes that the environment variable MANPATH has been appropriately set during the Preinstallation Steps.
The Frequently Asked Questions webpage for the LDM is located here.
The email address support-ldm at unidata.ucar.edu is the one for LDM support by the Unidata Program Center. Replies to LDM questions are stored in an online database that you can search or browse.