> ## Documentation Index
> Fetch the complete documentation index at: https://flowdeck.studio/docs/llms.txt
> Use this file to discover all available pages before exploring further.

# Lifecycle

> Boot, shutdown, and open simulators

Commands for controlling simulator state.

## flowdeck simulator boot

Boot a simulator so it is ready to run apps.

```bash theme={null}
# Boot a simulator
flowdeck simulator boot <UDID>

# Boot with verbose output
flowdeck simulator boot <UDID> --verbose

# Boot with JSON output
flowdeck simulator boot <UDID> --json
```

### Options

| Option       | Short | Description         |
| ------------ | ----- | ------------------- |
| `--verbose`  | `-v`  | Show command output |
| `--json`     | `-j`  | Output as JSON      |
| `--examples` | `-e`  | Show usage examples |

***

## flowdeck simulator shutdown

Shutdown a running simulator.

```bash theme={null}
# Shutdown a simulator
flowdeck simulator shutdown <UDID>

# Shutdown with verbose output
flowdeck simulator shutdown <UDID> --verbose

# Shutdown with JSON output
flowdeck simulator shutdown <UDID> --json
```

### Options

| Option       | Short | Description         |
| ------------ | ----- | ------------------- |
| `--verbose`  | `-v`  | Show command output |
| `--json`     | `-j`  | Output as JSON      |
| `--examples` | `-e`  | Show usage examples |

***

## flowdeck simulator open

Open Simulator.app.

```bash theme={null}
flowdeck simulator open
flowdeck simulator open --json
```

### Options

| Option       | Short | Description         |
| ------------ | ----- | ------------------- |
| `--verbose`  | `-v`  | Show command output |
| `--json`     | `-j`  | Output as JSON      |
| `--examples` | `-e`  | Show usage examples |