[capableweb]

Probably for very simple use cases, but the real power in parallel really comes from the myriad of switches that enables so much more than what "&" and "wait" could do.

Here are a bunch of examples: https://www.gnu.org/software/parallel/parallel_examples.html

A fun one I end up using ~monthly or so for various things (usually with more switches added as needed):

    GNU Parallel as queue system/batch manager

    # start queue
    true >jobqueue; tail -n+0 -f jobqueue | parallel

    # add job
    echo my_command my_arg >> jobqueue

    # to start queue for remote execution
    true >jobqueue; tail -n+0 -f jobqueue | parallel -S ..