# ollama > A large language model runner. > More information: . - Start the daemon required to run other commands: `ollama serve` - Run a model and chat with it: `ollama run {{model}}` - Run a model with a single prompt: `ollama run {{model}} {{prompt}}` - List downloaded models: `ollama list` - Pull/Update a specific model: `ollama pull {{model}}` - Upgrade Ollama on Linux: `curl -fsSL https://ollama.com/install.sh | sh` - Delete a model: `ollama rm {{model}}` - Create a model from a `Modelfile` ([f]): `ollama create {{new_model_name}} -f {{path/to/Modelfile}}`