#!/usr/bin/env bash
# Background processes and waiting for completion

sleep 2 &
first_pid=$!

sleep 1 &
second_pid=$!

printf 'Started jobs %s and %s\n' "$first_pid" "$second_pid"

wait "$first_pid"
first_status=$?

wait "$second_pid"
second_status=$?

printf 'First job exit status: %d\n' "$first_status"
printf 'Second job exit status: %d\n' "$second_status"