Basic Usage & Slash Menu in AI
From the OpenAI Codex cheat sheet · Installation & Setup · verified Jul 2026
Basic Usage & Slash Menu
Start a session and discover commands from the composer.
bash
# Start the interactive terminal UI
codex
# Start with an initial task
codex "Explain this repository structure"
# Inside the composer
/ # Open the slash command popup
/status # Inspect the active session
/model # Change the active model
/permissions # Change approval behavior💡 Type / to discover available commands
⚡ Start typing a command name to filter the popup
📌 Press Tab to queue a command while a turn is running
🔍 Use /status after startup to verify the session
basicsslash-commandstui
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