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# Bash 的 nproc 命令

nproc [OPTION]...

!subtitle:功能

打印中央处理器(CPU)可用的逻辑核心数量。

参考 /sys/devices/system/cpu/ 目录。

!subtitle:类型

可执行文件(/usr/bin/nproc),属于 coreutils

!subtitle:参数

  • OPTION 选项:

    • --all - 打印已安装的全部处理器数量

    • --ignore=N - 忽略 N 个逻辑核心

    • --help - 显示帮助

    • --version - 显示版本

# 示例

$ nproc
8

# 推荐阅读

# 手册

NPROC(1)                         User Commands                        NPROC(1)

NAME
       nproc - print the number of processing units available

SYNOPSIS
       nproc [OPTION]...

DESCRIPTION
       Print  the number of processing units available to the current process,
       which may be less than the number of online processors

       --all  print the number of installed processors

       --ignore=N
              if possible, exclude N processing units

       --help display this help and exit

       --version
              output version information and exit

AUTHOR
       Written by Giuseppe Scrivano.

REPORTING BUGS
       GNU coreutils online help: <https://www.gnu.org/software/coreutils/>
       Report any translation bugs to <https://translationproject.org/team/>

COPYRIGHT
       Copyright © 2023 Free Software Foundation, Inc.   License  GPLv3+:  GNU
       GPL version 3 or later <https://gnu.org/licenses/gpl.html>.
       This  is  free  software:  you  are free to change and redistribute it.
       There is NO WARRANTY, to the extent permitted by law.

SEE ALSO
       Full documentation <https://www.gnu.org/software/coreutils/nproc>
       or available locally via: info '(coreutils) nproc invocation'

GNU coreutils 9.4                 April 2024                          NPROC(1)
本文 更新于: 2025-11-27 09:38:15 创建于: 2025-11-27 09:38:15