What is Claude Code

Claude Code is an agentic CLI that reads, writes, and executes in your local environment — not just a chat wrapper.

What You Will Learn

• What makes Claude Code different from Claude.ai chat
• What Claude Code can do: read files, write code, run shell commands
• How Claude Code sessions work: context, tools, permissions
• When to use Claude Code vs the web interface
• Claude Code's approach to safety and permission scopes