Command: cdd
  CDD displays the name of or changes the current directory and drive.
Syntax:
  CDD [drive][path]
  CDD [..][/?]
      drive   The drive letter, e.g. C:
      path    The directory, e.g. \example\
Options:
  ..  Specifies that you want to change to the parent directory.
  -   If "last directory" feature is enabled, change to last directory.
  /?  Shows the help.
Comments:
  If drive: is specified, the current working drive is changed; this
  is the only different to "CHDIR".
  Type CDD without parameters to display the current drive and directory.
  CDD is a command internal to command.com and needs no other file
  in order to work.
Examples:
    cd c:\fdos     changes to the directory c:\fdos
    cd ..          changes back from c:\fdos to c:\
    cd \           changes back from c:\anydirectory\anysubdirectory
                   to c:\
  if you are at c:\ :
    cd fdos        changes to the directory c:\fdos
    cd bin         changes to the directory c:\fdos\bin
    cd d:\example  changes the directory on d: to d:\example, AND
                   changes the drive letter to drive d:
See also:
  cd
  chdir
  md
  mkdir
  rd
  rmdir
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 © 1998 Jim Hall, updated 2007 by W. Spiegl.
  This file is derived from the FreeDOS Spec Command HOWTO.
  See the file H2Cpying for copying conditions.