V2EX sysctl

Sysctl

Definition / 释义

sysctl(名词/动词)指在类 Unix 系统(如 Linux、BSD、macOS)中,用于查看或动态调整内核参数的机制或命令,常用于网络、内存、进程与安全等系统行为的配置。(也可泛指“内核参数接口/工具”。)

Pronunciation / 发音

/ss.ktl/

Examples / 例句

I changed the network setting with sysctl.
我用 sysctl 修改了网络设置。

To reduce latency, the administrator used sysctl to tune kernel parameters and then made the changes persistent in the system configuration.
为降低延迟,管理员使用 sysctl 调整内核参数,并将这些更改写入系统配置以便永久生效。

Etymology / 词源

sysctlsystem control(系统控制)的缩写/合成写法:sys- 表示 system(系统),ctl 表示 control(控制)。它最早与 BSD 系统中的内核参数管理接口/命令相关,后来在 Linux 等系统中也广泛使用。

Related Words / 相关词

Literary Works / 文学与作品例证

  • sysctl(8) Manual Page》(Unix/Linux 手册页,专门说明 sysctl 命令与用法)
  • The Linux Programming Interface》(Michael Kerrisk,涉及 Linux 系统接口与配置,常提及 sysctl/内核调优)
  • Linux Kernel Documentation》(Linux 内核文档,讨论内核参数、调优与相关接口时会出现 sysctl)
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