Command: truename
  TRUENAME displays the full path name of the file / path specified.
Syntax:
  TRUENAME [drive][path][filename]
  TRUENAME [/?]
           drive     The drive letter, e.g. C:
           path      The directory, e.g. \example\
           filename  The file, e.g. test.txt
Options:
  /?  Shows the help.
Comments:
  If you have created a drive / path / file with SWSUBST,
  TRUENAME shows you the complete drive / path / file.
  TRUENAME is a command internal to command.com and needs no other file
  in order to work.
Examples:
  swsubst e: c:\FREEDOS\BIN  Replaces c:\FREEDOS\BIN by e:
  e:                         Changes to drive e:
  dir                        Shows the files in e: which are in reality
                             at C:\FREEDOS\BIN
  dir choice.exe             Shows the file choice.exe in e:
  truename e:\choice.exe     Shows the real path of e:\choice.exe which is:
                             "c:\FREEDOS\BIN\choice.exe"
See also:
  assign
  command.com/freecom
  join/subst/swsubst
  Copyright © 2008 and 2022 by W. Spiegl.
  This file is derived from the FreeDOS Spec Command HOWTO.
  See the file H2Cpying for copying conditions.