Command: memory
  MEMORY displays the memory used by FreeCOM (command.com)
  internally.
Syntax:
  MEMORY [/?]
Options:
  /?  Shows information about the command.
Comments:
  MEMORY shows how much memory is used by Aliases, History, 
  Directory Stack, Last dir cache, Swapinfo and so on.
  MEMORY is a command internal to command.com and needs no other file
  in order to work.
Examples:
  memory /?
  memory
See also:
  alias
  history
  mem
  Copyright © 2008 W. Spiegl, updated in 2020.
  This file is derived from the FreeDOS Spec Command HOWTO.
  See the file H2Cpying for copying conditions.