You covered everything you need to work with Claude Code day-to-day:
- Install via
curl -fsSL https://claude.ai/install.sh | bashon macOS/Linux/WSL, orwinget install Anthropic.ClaudeCodeon Windows - Auth via API key or OAuth browser flow
- Permission system: Allow, Deny, Ask per tool
- Permission modes: default, accept edits, plan (cycle with Shift+Tab)
- Surfaces: CLI, VS Code, JetBrains, Desktop
- Slash commands: /clear, /compact, /cost, /init, /rename
- Session management: --resume, --continue
- Run
/initfirst on any new project