V2EX ldd

LDD

释义 Definition

ldd 是 Linux/Unix 系统中的一个命令,用来显示某个可执行文件或共享库在运行时会加载的动态链接库依赖(shared libraries)。常用于排查“缺少库文件”“版本不兼容”等问题。(也可能指其他领域缩写,但在计算机语境中最常见的是此命令。)

发音 Pronunciation (IPA)

/l.didi/

例句 Examples

Run ldd on the binary to see which libraries it needs.
对这个可执行文件运行 ldd,看看它需要哪些库。

After upgrading the system, we used ldd to diagnose why the program failed to start due to a missing shared library.
系统升级后,我们用 ldd 诊断程序为何因为缺少共享库而无法启动。

词源 Etymology

ldd 通常被解释为 “list dynamic dependencies”(列出动态依赖)的缩写。它通过分析目标程序的动态链接信息,或借助动态加载器(loader)的机制,来展示运行时会解析到的共享库及其路径。

相关词 Related Words

文学与作品 Literary Works

  • The Linux Programming Interface(Michael Kerrisk)在讲解动态链接与共享库排错时常提及类似 ldd 的工具用法。
  • Advanced Programming in the UNIX Environment(W. Richard Stevens, Stephen A. Rago)涉及链接、装载与相关诊断工具的讨论,常与 ldd 这一类命令关联出现。
  • Linux From Scratch(Gerard Beekmans)构建系统与排查库依赖问题的过程中,经常出现 ldd 的使用场景。
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