# About dbt system command

`dbt system` provides commands for managing your dbt installation. v2 is a single compiled binary with no dependencies on other libraries. Once installed, `dbt system` lets you update, uninstall, and manage drivers directly without pip, brew, or a Python environment.

`dbt system update` and `dbt system uninstall` are only supported for [CDN installations](../../docs/local/install-dbt.md) of Fusion. If you installed Fusion via Pip, Homebrew, or Winget, you'll need to update or uninstall dbt from those tools.

dbt Core has no equivalent.

## Usage

```shell
dbt system <subcommand> [flags]
```

## Subcommands

| Subcommand                   | Description                                       |
| ---------------------------- | ------------------------------------------------- |
| `dbt system update`          | Update dbt to the latest (or a specified) version |
| `dbt system uninstall`       | Remove Fusion from your system                    |
| `dbt system install-drivers` | Pre-install all supported ADBC adapter drivers    |

## dbt system update

`dbt system update` updates the CLI binary in place. By default, it updates to the latest stable release. You can also target a named channel or a specific version number.

```shell
dbt system update [flags]
```

### Options

| Flag                | Description                                                                                                                                  |
| ------------------- | -------------------------------------------------------------------------------------------------------------------------------------------- |
| `--version VERSION` | Update to a specific version (for example, `2.0.0-preview.190`) or a named channel (`canary`, `dev`). Defaults to the latest stable release. |
| `--package PACKAGE` | Which package to update. Accepts `dbt` or `all`. Defaults to `dbt`.                                                                          |

### Version channels

| Channel  | Description                                                             |
| -------- | ----------------------------------------------------------------------- |
| *(none)* | Latest stable release                                                   |
| `canary` | Most recent preview build (under active testing and may be pulled back) |
| `dev`    | Development build (may be unstable)                                     |

### Examples

Update to the latest stable release:

```shell
dbt system update
```

Update to a specific version:

```shell
dbt system update --version 2.0.0-preview.188
```

Update to the canary channel:

```shell
dbt system update --version canary
```

## dbt system uninstall

`dbt system uninstall` removes the CLI binary from your system. On macOS and Linux, it downloads and runs the official `uninstall.sh` script. On Windows, a PowerShell script handles removal after the current process exits (to release the file lock on the running executable).

```shell
dbt system uninstall
```

This command takes no additional flags.

## dbt system install-drivers

`dbt system install-drivers` downloads and caches all supported ADBC adapter driver libraries (`.dylib`, `.so`, `.dll`) for every supported data platform at once. Normally, dbt downloads drivers on first use when you run a command against a new data platform. Use `dbt system install-drivers` to pre-populate the cache (for example, before going offline or switching between projects that target different warehouses).

```shell
dbt system install-drivers
```

This command takes no additional flags.

Networking note

`dbt system install-drivers` downloads files from `https://public.cdn.getdbt.com`. If your environment restricts outbound network access, make sure this endpoint is allowlisted. See [Fusion networking requirements](../../docs/local/fusion-networking-requirements.md) for the full list of endpoints.

## Related commands

* [`dbt debug`](./debug.md) — Test your dbt project and connection configuration.
* [Fusion networking requirements](../../docs/local/fusion-networking-requirements.md) — Review outbound endpoints required by the dbt Fusion engine.

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