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out of date.
SYS0240
SYS0240Explanation
Transmission errors caused the connection to the remote machine to be
disconnected.
Action
Run the application again to re-establish the connection.