- Put a global mark in this file.
- Create a new file named 'tmp'.
- Return to this file using the global mark.
- Delete the temporary file.
m<capital char> - An uppercase character means a global named mark.
'<capital char> - Return to the named mark.
:e <filename> - Create the file with the given name.
!rm <filename> - Delete the file with the givebn name.