YouTipCodex Commands
This appendix contains command cheat sheets, frequently asked questions, and version update information.
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## Command Cheat Sheet
### CLI Basic Commands
| Command | Description |
| --- | --- |
| `codex` | Launch interactive TUI |
| `codex "task"` | Launch and execute specified task |
| `codex exec "task"` | Execute task in non-interactive mode |
| `codex --version` | Display version information |
| `codex --help` | Display help information |
### Slash Commands
| Command | Description |
| --- | --- |
| `/model ` | Switch model |
| `/fast` | Switch to Fast mode |
| `/plan` | Enter plan mode |
| `/review` | Review code changes |
| `/new` | Start new session |
| `/resume` | Resume historical session |
| `/fork` | Clone current session |
| `/compact` | Compress context |
| `/status` | Display session status |
| `/clear` | Clear screen |
| `/quit` | Exit Codex |
| `/approval ` | Switch approval mode |
### CLI Parameters
| Parameter | Description |
| --- | --- |
| `-m ` | Specify model |
| `--sandbox ` | Set sandbox mode |
| `--approval-mode ` | Set approval mode |
| `-i ` | Attach image |
| `-o ` | Output to file (exec) |
| `--full-auto` | Fully automatic execution |
| `--ephemeral` | Do not save session files |
| `--reasoning-effort ` | Reasoning effort |
### Shell Command Execution
| Format | Description |
| --- | --- |
| `! ` | Execute Shell command in Codex |
| `! git status` | Check Git status |
| `! npm test` | Run tests |
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## Configuration File Paths
### Configuration File Locations
| File | Path | Purpose |
| --- | --- | --- |
| User config | `~/.codex/config.toml` | Global default configuration |
| Project config | `.codex/config.toml` | Project-specific configuration |
| Project instructions | `AGENTS.md` | Project behavior guidelines |
| Log directory | `~/.codex/log/` | Runtime logs |
| Session directory | `~/.codex/sessions/` | Session records |
### Skills Directory
| Location | Path |
| --- | --- |
| Project-level | `.agents/skills/` |
| User-level | `~/.agents/skills/` |
| System-level | `/etc/codex/skills/` |
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## Keyboard Shortcuts
### CLI Shortcuts
| Shortcut | Function |
| --- | --- |
| `Enter` | Send message |
| `Shift+Enter` | New line |
| `Ctrl+C` | Interrupt operation |
| `Ctrl+C (twice)` | Exit Codex |
| `Ctrl+D` | Exit (when input is empty) |
| `Ctrl+R` | Search history |
| `Up/Down` | Browse history |
| `Tab` | Auto-complete |
| `Esc Esc` | Edit previous message |
| `Ctrl+O` | Copy last response |
### App Shortcuts
| Shortcut | Function |
| --- | --- |
| `Cmd/Ctrl+N` | New session |
| `Cmd/Ctrl+Shift+N` | New window |
| `Cmd/Ctrl+W` | Close window/tab |
| `Cmd/Ctrl+[` | Previous tab |
| `Cmd/Ctrl+]` | Next tab |
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## Frequently Asked Questions
### Installation and Authentication
#### Q: How to install Codex CLI?
Use npm or Homebrew:
npm install -g @openai/codex # or brew install codex
#### Q: How to authenticate for the first time?
Running the `codex` command will automatically open a browser for authentication. Log in with your ChatGPT account or API Key.
#### Q: What is the Windows support status?
Native Windows support is experimental. WSL2 is recommended for the best experience.
### Usage Questions
#### Q: How to view current configuration?
Use the `/status` command to view the current session's configuration and status.
#### Q: How to disable the alternate screen?
Use `codex --no-alt-screen` or configure `alternate_screen = "never"`.
#### Q: What to do if the command is not found?
Ensure PATH includes the npm global installation directory, or install using Homebrew.
#### Q: How to view logs?
Logs are located in the `~/.codex/log/` directory.
### Feature Questions
#### Q: What is the difference between exec and interactive mode?
exec exits after a single execution, suitable for automation scripts; interactive mode maintains continuous conversation, suitable for daily development.
#### Q: How to resume a historical session?
Use the `/resume` command or `codex resume --last`.
#### Q: Can GitHub Action modify files?
Yes, set `sandbox: workspace-write`.
#### Q: How to authenticate in CI/CD?
Use the `CODEX_API_KEY` environment variable, stored as Secrets.
### Security Questions
#### Q: How to prevent Codex from deleting important files?
Use read-only or workspace-write sandbox modes, and configure Rules to prohibit dangerous commands.
#### Q: Is full-auto mode safe?
full-auto will automatically execute all operations, including deleting files. Please use with caution.
#### Q: How to handle sensitive data?
Use Secrets storage, only available in setup scripts.
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## Version Updates
### Recent Updates
| Version | Date | Update Content |
| --- | --- | --- |
| v1.5.0 | 2026-04 | Added GPT-5.4 series model support |
| v1.4.0 | 2026-03 | Improved Worktree functionality |
| v1.3.0 | 2026-02 | Added Review Mode |
| v1.2.0 | 2026-01 | Optimized MCP Server support |
| v1.1.0 | 2025-12 | Added GitHub integration |
| v1.0.0 | 2025-11 | Codex officially released |
### Update CLI
## Update Command
# npm update
npm install-g@openai/codex@latest
# Homebrew update
brew upgrade codex
# View current version
codex --version
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## Related Resources
### Official Resources
| Resource | Address |
| --- | --- |
| Official Documentation | [https://developers.openai.com/codex](https://developers.openai.com/codex) |
| GitHub | [https://github.com/openai/codex](https://github.com/openai/codex) |
| Codex Web | [https://chatgpt.com/codex](https://chatgpt.com/codex) |
| Discord | [https://discord.gg/openai](https://discord.gg/openai) |
### Tutorial Series
| Chapter | Title | Content |
| --- | --- | --- |
| 01 | Codex Getting Started | Core capabilities, plan comparison |
| 02 | Core Concepts | Prompt, Thread, Context, Sandbox |
| 03 | Desktop App | App features, Review mode |
| 04 | IDE Extensions | VS Code, Cursor, Windsurf |
| 05 | Command Line Tool | CLI installation, TUI, Approval |
| 06 | Cloud Version | Web interface, Environments |
| 07 | Integration and Connectivity | GitHub, Slack, Linear, MCP |
| 08 | Configuration and Customization | Config, Rules, Skills |
| 09 | Automation and CI/CD | exec, SDK, GitHub Action |
| 10 | Workflow Patterns | Development process, refactoring, bug fixing |
| 11 | Prompt Best Practices | Prompt structure, task breakdown |
| 12 | Security and Enterprise Management | Sandbox, permissions, audit logs |
| 13 | Model Selection | GPT-5.4 series, reasoning effort |
| 14 | Appendix | Command cheat sheet, FAQ |
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## Glossary
| Term | Description |
| --- | --- |
| **Agent** | Codex's core execution unit, capable of understanding tasks and executing operations |
| **Prompt** | Task instructions sent by the user to Codex |
| **Thread** | Conversation sequence, containing complete dialogue history |
| **Context** | Information available to Codex, including files, conversations, and configuration |
| **Sandbox** | Isolated execution environment, limiting Codex's operational scope |
| **Approval** | Approval policy, controlling confirmation behavior before operation execution |
| **AGENTS.md** | Project instruction file, defining Codex's behavior guidelines |
| **Skill** | Reusable custom capability module |
| **Subagent** | Sub-agent, used for parallel processing of complex tasks |
| **Rules** | Rules engine, defining command execution permissions |
| **MCP** | Model Context Protocol, protocol for connecting external tools |
| **Worktree** | Git worktree, used for isolating working directories for different tasks |
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## Feedback and Support
### Getting Help
* Use the `/help` command to view built-in help
* Visit official documentation for detailed explanations
* Join the Discord community for discussions
### Reporting Issues
* GitHub Issues: (https://github.com/openai/codex/issues)
* Submit suggestions through Codex feedback feature
> Codex is continuously updated and iterated. Follow official channels for the latest information.