I'm searching (am I?) for a piece of code that quits immediately - in an absolutely unconventional way.

This means not: `System.exit((int) 'A'); //java`

It might mean: (python)

 #!/bin/python3
 # unix only, might work on windows
 # note: kills ALL RUNNING python processes. Be careful /!\
 def exit():
 import os
 os.system("killall python3")
 # Windows addon
 os.system("taskkill /im python.exe /f") # or whatever filename python@windows has
 exit()

Most upvoted answer wins!
All languages, all architectures

EDIT: Quitting by throwing exceptions won't be accepted any more!