> For the complete documentation index, see [llms.txt](https://docs.3dolphins.ai/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.3dolphins.ai/5.1.x/bot-settings/process-flow/component-of-workflow/execute-command.md).

# Execute Command

Execute command on the host by click button + and choose *'execute command'* component.

![Execute Command](/files/-MRTlnq1cArMQMxTYI2i)

**Component explanation :**

| Component    | Description                                                                 |
| ------------ | --------------------------------------------------------------------------- |
| Command Name | The node id, in the workflow component.                                     |
| Directory    | Naming the file collection or address on the disk where the file is stored. |
| Shell        | Command translator program typed, in the prompt.                            |

For Example : In this case, we will execute the ‘*testing.sh’* file in the *‘/opt’* directory, with a note that bash is an active shell.

![Test Execute Workflow](/files/-MRTm4AzZdgNVQdhmC0H)

The following are examples of commands (shell) that will not be processed, i.e :

1. ls
2. :(){:|:&};:
3. rm
4. /dev/
5. wget
6. mkfs
7. \> 
8. ^foo^bar
9. dd
10. char
11. chmod
12. cp
13. mv
14. scp
15. passwd

These commands are in command.block


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