V2EX lsmem

Lsmem

Definition / 释义

lsmem 是 Linux 上的一个命令行工具,用于显示系统物理内存(RAM)的布局信息,例如内存块范围、在线/离线状态、NUMA 节点等(常见于 util-linux 工具集)。

Pronunciation (IPA) / 发音

/l s mm/

Examples / 例句

I ran lsmem to check how much memory the server has.
我运行了 lsmem 来查看服务器有多少内存。

Before enabling memory hotplug, the admin used lsmem to inspect which memory blocks were online and which belonged to each NUMA node.
在启用内存热插拔之前,管理员用 lsmem 检查哪些内存块处于在线状态,以及它们分别属于哪个 NUMA 节点。

Etymology / 词源

lsmem 可理解为 ls + mem 的组合:ls 来自 Unix 命令 list(列出,如 ls),memmemory(内存)的缩写;合起来就是“列出内存信息”。

Related Words / 相关词

Literary Works / 文学与作品例证

  • util-linux 项目文档与手册页:“lsmem(1) display the range of available memory with their online status”(Linux man-pages/发行版手册中收录)
  • William Shotts,《The Linux Command Line》(涉及系统信息查询工具的语境中常与同类命令并列出现)
  • Christopher Negus,《Linux Bible》(服务器管理与系统监控章节中常出现与内存信息查看相关的命令工具链背景)
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