What is Claude Code? Complete Beginner's Guide to AI Coding Assistant 2026
Claude Code is Anthropic’s terminal AI coding assistant that can read your entire codebase, edit files, and run shell commands. This tutorial walks you through installation and practical usage, so you can understand how to use this AI tool step by step. Once you learn to issue commands, you can direct Claude Code with natural language to refactor code, fix bugs, build tests, and more development tasks, dramatically boosting your efficiency.