# EDM Setup

When started with the "-h" option for help, edm will display the available command-line options and environment variables.

## Environment Variables

- LD_LIBRARY_PATH
  edm uses shared libraries. On most Unix operating systems, $LD_LIBRARY_PATH is used as a search path to locate those.
- EDMFILES
  Location of fonts.list and colors.list.
- EDMOBJECTS
  Location of edmObjects, the edm component object file.
- EDMPVOBJECTS
  Location of edmPvObjects, the edm pv component object file
- EDMDATAFILES
  Location of display files given as a search path similar to the PATH variable. Example:

      .:/sns/edl/share:/sns/linac/share

- EDMUSERLIB
  Location of user shared library file
- EDMHELPFILES
  Location of the help files. helpMain.edl in there is opened.