qbasic.hlp (Topic list)
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documentation, particularly for programming, you should not rely on the information found here, as it will be woefully out of date.
Overwrite existing file
Choose <Yes> only if you are sure that by overwriting the
contents of the file on disk with the file contents in
memory you won't lose valuable information.
Otherwise:
  ■ Choose <No> to redisplay the dialog box and enter a
    new, unique filename for saving the file in memory.
  ■ Choose <Cancel> to stop the command, leaving everything
    as it was before you chose the command.