V2EX getconf

Getconf

Definition / 释义

getconf:Unix/Linux 中的命令行工具,用于查询系统配置变量与标准相关参数(常见于 POSIX 环境),例如页面大小、最大参数长度、路径相关限制等。

Pronunciation / 发音

/t.knf/

Examples / 例句

I used getconf to check the system page size.
我用 getconf 查看系统的页面大小。

To make the script portable across POSIX systems, we query limits like ARG_MAX with getconf instead of hard-coding values.
为了让脚本在不同 POSIX 系统上更具可移植性,我们用 getconf 查询如 ARG_MAX 这类限制,而不是把数值写死。

Etymology / 词源

get(获取)+ conf(configuration 的缩写,意为“配置”)构成,字面意思是“获取配置(参数)”。在类 Unix 系统里,它用于读取与系统标准/实现相关的配置值。

Related Words / 相关词

Literary Works / 文学与著作示例

  • The Linux Programming Interface(Michael Kerrisk)中在讨论系统限制与可移植性时会涉及通过 getconf 获取如 ARG_MAX 等参数的思路。
  • UNIX and Linux System Administration Handbook(Nemeth 等)在系统管理与环境查询相关章节中会提到使用 getconf(或同类工具)查看系统配置/限制。
  • Advanced Programming in the UNIX Environment(W. Richard Stevens 等)在讲解 POSIX 接口与系统配置查询思路时常与 getconf 这一类查询机制相关联。
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