nproc

Print the number of processing units (normally CPUs) available. More information: https://www.gnu.org/software/coreutils/manual/html_node/nproc-invocation.html.

• 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}}