A collection of self-killing scripts in various languages

This is inspired by this reddit post describing a useless machine implementation in python.

What is a useless machine?

A useless machine is one that solely turns itself off, after turning on.

Contributing

Submit a pull request!
Killing a process should not be indiscriminate! It should exclusively kill itself and no other process.
Whereever possible/applicable, use SIGTERM (15).
Code should be readable, and NOT obfuscated.
I will test it and merge the pull request!