Course
Claude Code Fundamentals
All steps
What Claude Code Is and How It Differs from ChatGPT
Claude Code Inside the Terminal
How Claude Code works from the command line and reads your actual files.
Claude Code runs as a CLI tool, a Command Line Interface. That means you launch it from the Terminal like any other command. The big difference: it has access to your file system.
How Claude Code Talks to Your Environment
You
typing in the Terminal
command or question
Claude Code
processes your request
reads / writes
Your Files
reads and edits them
Terminal Commands
git, npm, tests...
Anthropic API
the model itself
Important Point
Claude Code can run commands like npm install, git commit, and even your test suite. That makes it work like a real developer, not just a writing assistant.