Claude Code 2.0: The Complete Guide

Claude Code is an AI-powered development tool from Anthropic. In this guide, I’ll show you how to set it up and use it effectively.

Installation

npm install -g @anthropic-ai/claude-code

Basic commands

1. Start a session — run claude in your terminal
2. Project context — Claude automatically reads your folder structure
3. Working with files — use Read/Edit/Write tools

Best practices

• Give clear instructions
• Use CLAUDE.md for project conventions
• Break big tasks into small steps

Advanced techniques

Multi-file editing

Claude can work across multiple files at once. Describe what you want to change and it will find the right files.

Testing

Claude can run tests and fix issues iteratively until it passes.

Conclusion

Claude Code significantly speeds up development. The key is to learn how to frame tasks correctly.

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