TrueNAS SCALETrueNAS SCALE Version Documentation
This content follows the TrueNAS SCALE 23.10 (Cobia) releases. Use the Product and Version selectors above to view content specific to different TrueNAS software or major version.


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Last Modified 2024-03-19 08:38 EDT

Device Namespace

The device namespace has two commands. It provides access to device information through the device commands.

Device Commands

The following device commands allow you to view properties for devices in your system.

You can enter commands from the main CLI prompt or from the device namespace prompt.

The SCALE CLI guide is a work in progress! New namespace and command documentation is continually added and maintained, so check back here often to see what is new!

Interactive Argument Editor (TUI)

Enter the -- flag following any CLI command to open the interactive arguments editor text-based user interface (TUI).

Get_Info Command

The get_info command returns details for a specified device type.


The get_info command has one property, type. Enter the type property argument using = to separate property and value. Enter the command string then press Enter. The command returns a table of device details when successful.

SERIALReturns information for system serial ports.
DISKReturns information for system storage disks.
GPUReturns information for system GPUs.


From the CLI prompt, enter:

system device get_info type=TYPE


  • TYPE is the device type you want details for.
system device get_info type=SERIAL
| name  | location                    | drivername | description | start |
| ttyS1 | handle=\_SB_.PC00.LPC0.UAR2 | uart       | 16550A      | 0x2f8 |
| ttyS0 | handle=\_SB_.PC00.LPC0.UAR1 | uart       | 16550A      | 0x3f8 |

GPU_PCI_IDs_Choices Command

The gpu_pci_ids_choices retrieves choices for GPU PCI IDs in the system.


The gpu_pci_ids_choices command has no required properties. Enter the commands then press Enter. The command returns a table of GPU PCI ID choices when successful.


From the CLI prompt, enter:

system device gpu_pci_ids_choices

| ASPEED Technology, Inc. ASPEED Graphics Family | 0000:03:00.0 |

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