nproc

nproc [OPTIONS]...

Print the number of cores available to the current process. If the OMP_NUM_THREADS or OMP_THREAD_LIMIT environment variables are set, then they will determine the minimum and maximum returned value respectively.

Options

--all

print the number of cores available to the system

--ignore=<N>

ignore up to N cores

Examples

Display the number of available processing units:

nproc

Display the number of installed processing units, including any inactive ones:

nproc --all

If possible, subtract a given number of units from the returned value:

nproc --ignore {{count}}

The examples are provided by the tldr-pages project under the CC BY 4.0 License.

Please note that, as uutils is a work in progress, some examples might fail.