( Unix Version )
mv /file/path/filename.txt /file/path/filename_$(date +"%m%d%y%H%M%S").txt
Rename file using the current date and time ( Windows Version )
ren C:\file\path\filename.txt %time:~0,2%%time:~3,2%%time:~6,2%_%date:~4,2%%date:~7,2%%date:~10,4%_filename.txt
