Bash Shell: close all windows and programs UNIX

Question

How would I make a script to exit all programs and windows using bash shell commands and automator on a unix machine?

without using an extra program such as

xdotool search "" windowkill %@

Answer 1

try this:

#!/bin/bash

command=$(ps aux | awk '{print $1,$2}' | grep $USER)

for i in $command; do
    kill -9 ${i};

done