try the following `date 1>&2 | sleep 1 | date 1>&2 | sleep 1 | date 1>&2` you'll actually see the three date commands output immediately so the three julia pr

try the following `date 1>&2 | sleep 1 | date 1>&2 | sleep 1 | date 1>&2` you'll actually see the three date commands output immediately so the three julia processes would actually launch in parallel if they were in a pipe