shcat words.txt | tr -s ' ' '\n' | sort | uniq -c | sort -r | awk '{ print $2, $1 }'
shfunction kill_processes() {
local pid=$1
if [ -f /proc/$pid/status ]; then
for subpid in $(ps -e o pid=,ppid= | awk -vPID=$pid '{if($2==PID)print $1;}'); do
kill_processes $subpid
done
fi
if [ -f /proc/$pid/status ]; then
kill -9 $pid
fi
}