Experimental
| Command | Description |
|---|---|
| job | Various commands for working with background jobs. |
| job flush | Clear this job's mailbox. |
| job id | Get id of current job. |
| job kill | Kill a background job. |
| job list | List background jobs. |
| job recv | Read a message from the mailbox. |
| job send | Send a message to the mailbox of a job. |
| job spawn | Spawn a background job and retrieve its ID. |
| job tag | Add a description tag to a background job. |
| job unfreeze | Unfreeze a frozen process job in foreground. |