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Manual Pages  — NPROC

NAME

nproc – print the number of processors

CONTENTS

SYNOPSIS


nproc [--all] [--ignore -= count]
Fl
Fl

DESCRIPTION

The nproc utility is used to print the number of processors limited to the cpuset(2) of the current process, unless the --all flag is specified.

The available flags are:
--all
  Count all processors currently online.
--ignore -= count
  The result is decreased by count, but never below 1.
--version
  Print the current program version and exit. Do not use this option.
--help
  Print usage information and exit.

COMPATIBILITY

This program is intended to be compatible with nproc as found in GNU coreutils.

BUGS

If HyperThreading is enabled in BIOS and disabled in the kernel, the --all option on Linux will still report all possible CPU threads. On FreeBSD only active threads will be reported.

SEE ALSO

cpuset(1)

HISTORY

The nproc utility first appeared in FreeBSD 13.2 .

AUTHORS

Mateusz Guzik <Mt mjg@FreeBSD.org> wrote the program and Piotr Paweł Stefaniak <Mt pstef@FreeBSD.org> wrote this page.
NPROC (1) June 2, 2023
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