V2EX symbolic link

Symbolic Link

Definition / 释义

symbolic link(符号链接,常简称 symlink):在操作系统的文件系统中,一种“指向”另一个文件或目录的特殊文件。它通常保存的是目标的路径,访问符号链接时系统会将其解析到目标位置;可跨文件系统,但目标若被移动或删除,链接可能失效。(另有 hard link 等相关概念。)

Pronunciation / 发音

/smblk lk/
/smblk lk/

Examples / 例句

I created a symbolic link to the config file.
我创建了一个指向配置文件的符号链接。

Because the project spans multiple folders, we used a symbolic link so the build system can find the assets without duplicating them.
因为项目跨多个文件夹,我们用了符号链接,让构建系统能找到资源而不必复制它们。

Etymology / 词源

symbolic 来自 “symbol(符号)”,强调“以符号/名称代表某物”;link 表示“连接”。合起来指“用一个符号性入口连接到另一处目标”。在类 Unix 系统中,符号链接作为文件系统特性被广泛采用,用来以路径引用文件或目录,区别于直接共享同一数据记录的 hard link(硬链接)

Related Words / 相关词

Literary Works / 出处(著作示例)

  • The Linux Programming Interface(Michael Kerrisk)
  • Advanced Programming in the UNIX Environment(W. Richard Stevens, Stephen A. Rago)
  • UNIX and Linux System Administration Handbook(Evi Nemeth 等)
  • Linux Kernel Development(Robert Love)
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