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:
  subst e: c:\fdos\bin     replaces c:\fdos\bin by e:
  e:                       changes to e:
  dir                      shows the files in e: which are in reality at
                           c:\fdos\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:\fdos\bin\choice.exe"
See also:
  assign
  join
  subst
  swsubst
File:
  Please read this command's lsm file also.
  You will find the updated version (internet) here and
  the version described in this manual page here.
  The lsm file contains information about the name of the programmer,
  the download site, and some other command related information.
  Copyright © 2008 W. Spiegl.
  This file is derived from the FreeDOS Spec Command HOWTO.
  See the file H2Cpying for copying conditions.