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Foundation index

How Software Works

Build a systems-level picture of how programs use machines, communicate, and persist information.

Published lessons

Ready to read

  1. APIs and JSON: How Applications Communicate
  2. DNS and IP Addresses: How a Domain Finds a Server
  3. Frontend, Backend, and Database: How They Work Together
  4. TCP, HTTP, and HTTPS: The Layers Behind a Web Request
  5. What Happens When You Enter a URL?

Connected reading

Published elsewhere

Referenced concepts

Named, not yet standalone

No unpublished concept from this foundation is referenced by the current articles.

Planned topics

Future foundations

  • Client and serverPlanned topic · no article route
  • Processes and threadsPlanned topic · no article route
  • Memory, CPU, and storagePlanned topic · no article route