SUBST+Substituting Drive Designators
     Allows you to substitute a different drive designator for a 
drive or a path.
    VERSION
          PC-DOS 3.0+
	  MS-DOS equivalent: SUBST (3.0+)
    TYPE
          External
    SYNTAX
	  [d:][path] SUBST d1: d2:path
or
	  [d:][path] SUBST d1: /D
or
	  [d:][path] SUBST
    OPTIONS
	  [d:][path]	 Specifies the drive letter and path that
                         contain the SUBST command file.
	  d1:		 Indicates the new drive designator.
	  d2:path	 Indicates the existing drive and path.
          /D             Deletes the specified substitution.
    EXAMPLES
	  SUBST D:C:\VERY\LONG\PATH\NAME
Whenever D: is used, the path name C:\VERY\LONG\PATH\NAME is 
substituted.
	  SUBST
displays the currently defined substitutions.
    MESSAGE
	  Cannot SUBST to a network drive
You cannot substitute a drive for a network path or substitute a 
network drive for a local path.
    UNDO
     To discontinue the currently defined substitutions, enter
	  SUBST d:/D
for each substitution.
    NOTE
     Because SUBST substitutes drive letters for path names, it 
can be used to fool programs that do not recognize path names 
into using them indirectly. SUBST can be used with certain 
programs that do not recognize paths and can also be used as a 
type of shorthand for long path names.
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    SEE ALSO
          ASSIGN Command
          BREAK Command
          CHKDSK Command
          COMMAND Command
          CTTY Command
          DISKCOMP Command
          DISKCOPY Command
          EXE2BIN Command
          FASTOPEN Command
          JOIN Command
          PROMPT Command
          RESTORE Command