Linux.com: CLI Magic: Running Multiple Jobs with xjobs

“Ever feel like you’re not getting the most out of your
multiprocessor machine? The xjobs utility allows you to schedule
several processes to run simultaneously to make the most of your
system’s resources.

“Xjobs takes a list of arguments from standard input and passes
them to a utility, or takes a list of commands from a script, and
then runs the jobs in parallel. If you have a multiprocessor
machine, xjobs will automatically run one job per processor by
default. For instance, on a dual-CPU machine, if you run ls -1 *gz
| xjobs gunzip, xjobs will gunzip two files at a time by default.
If you run the same command on a quad-CPU machine, it will gunzip
four files at a time by default, until it runs out of files to
process…”

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