When started with the "-h" option for help, edm will display the available command-line options and environment variables.
edm uses shared libraries. On most Unix operating systems, $LD_LIBRARY_PATH is used as a search path to locate those.
Location of fonts.list and colors.list.
Location of edmObjects, the edm component object file.
Location of edmPvObjects, the edm pv component object file
Location of display files given as a search path similar to the PATH variable. Example:
Location of user shared library file
Location of the help files. helpMain.edl in there is opened.