If you use `kill -9` to exit vim, you might find your terminal in a weird state, because they are most likely using the `atexit` function to reset your termios

If you use `kill -9` to exit vim, you might find your terminal in a weird state, because they are most likely using the `atexit` function to reset your termios settings to normal, but that doesn't happen if you `kill -9` it.