Important Notice

The pages on this site contain documentation for very old MS-DOS software, purely for historical purposes. If you're looking for up-to-date documentation, particularly for programming, you should not rely on the information found here, as it will be woefully out of date.

 ◄Key►                                       ◄Up► ◄Contents► ◄Index► ◄Back►
────────────────────────────────────────────────────────────────────────────
 
  Message:      0123
 
  Text:         I-O-CONTROL missing
 
  Explanation:  You have omitted the heading I-O-CONTROL.
 
  Resolution:   Add the heading I-O-CONTROL.
                                    -♦-