why doesn't os.startfile() work in my linux box? [duplicate]
On Linux you can use:
import subprocess, sys
opener = "open" if sys.platform == "darwin" else "xdg-open"
subprocess.call([opener, filename])
Adopted from here
Given that you are not running on Windows you cannot use os.startfile. If you want to launch another process you could use os.system or look at the subprocess module