FDHELP: Display a help topic
Usage:
  FDHELP [ topic ]
Environment:
  PAGER: Pager program to display a text file
  HELPPATH: Directory that contains your help files
            Default HELPPATH is ..\HELP\ (from location of FDHELP.EXE)
  LANG: the preferred language to display the help files

Where topics include:
ASSIGN     ATTRIB     CHOICE     COMP       DEBUG      DEFRAG
DELTREE    DISKCOMP   DISKCOPY   EDIT       EMM386     EXE2BIN
FC         FDISK      FDXMS      FIND       FORMAT     FREECOM
FDHELP     HELP       JOIN       KEYMAN     LABEL      LISTXDEF
MEM        MIRROR     MODE       MORE       MOVE       NANSI
PRINT      REPLACE    SCANDISK   SHARE      SORT       SUBST
SWSUBST    SYS        TDSK       TREE       UNFORMAT   VERIFY
XCOPY      XKEYB