NPROC(1) General Commands Manual NPROC(1) NAME 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. SYNOPSIS nproc [OPTIONS]... DESCRIPTION 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 [default: 0] ignore up to N cores -h, --help Print help -V, --version Print version VERSION v(uutils coreutils) 0.11.0 2026-09-01 NPROC(1)