Linux › Section B · Basic commands and the directory hierarchy › Topic B.13

Linux directory hierarchy essentials

Every Linux system lays out its files in much the same way: programs here, configuration there, logs somewhere else. Once you know the map, you can find the settings, logs and programs of a machine you have never seen before.

In this topic

  • One tree and a standard map
  • Where programs live
  • Configuration and home directories
  • Libraries and kernel files
  • Data that changes: /var, /tmp and /run
  • Virtual directories
  • Other top-level directories
  • Inside /usr
  • Worked example: finding things on a new server
  • Worked example: choosing an install location
  • Common mistakes to avoid
  • Key takeaways

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