ng that follows it.  Indeed
  there are 19 bytes in the string composed of the text <code>"Invalid
  parameter"</code> and the following carriage return (CR) and line
  feed (LF) characters.  The CR and LF characters have ASCII codes 0xD
  (decimal 13) and 0xA (decimal 10).  These values can be seen at the
  third and fourth places of the second row of the output of this
  command.
</p>
<p>
  Then we use the <code>E</code> command to enter a new string length
  followed by a new string to replace the existi