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out of date.
SYS1083
SYS1083Explanation
The target filename specified with the RENAME command already exists or the
source file cannot be found.
Action
Check the target and source filenames used and retry the command.