NPROC(1) General Commands Manual NPROC(1)

nproc - 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.

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.

print the number of cores available to the system
ignore up to N cores
Print help
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v(uutils coreutils) 0.11.0

2026-09-01