The  FMS/DIRECTORY  command  produces  a  directory listing of one or
  more form libraries or form files.

  Example:  FMS/DIRECTORY LIB1,LIB2,FORM3.FRM

      A  directory  is output on the device SYS$OUTPUT of the contents
      of the form libraries LIB1 and LIB2 and of directory information
      on the contents  of  the form file FORM3. The default input file
      type is FLB, and the default output file type is LIS.

  Additional Information (explode) :

• Qualifiers