Forking / Multi-Threaded Processes | Bash

Question

I would like to make a section of my code more efficient. I\'m thinking of making it fork off into multiple processes and have them execute 50/100 times at once, instead of

Answer 1

Based on what you all shared I was able to put this together:

#!/usr/bin/env bash

VAR1="192.168.1.20 192.168.1.126 192.168.1.36"

for a in $VAR1; do { ssh -t -t $a -l Administrator "sudo softwareupdate -l"; } & done;
WAITPIDS="$WAITPIDS "$!;...; wait $WAITPIDS
echo "Script has finished"

Exit 1

This lists all the updates on the mac on three machines at once. Later on I used it to perform a software update for all machines when i CAT my ipaddress.txt