document how to start windows terminal and have it execute a command

TerminalDocs/command-line-arguments.md

@@ -52,6 +52,22 @@ Below is the full list of supported commands and options for the `wt` command li
 
 Commands may vary slightly depending on which command line you're using.
 
+### Passing an argument to the default shell
+
+To start an instance of Windows Terminal and have it execute a command, call `wt.exe` followed by your command.
+
+Here's an example of calling Windows Terminal to pass a [ping](https://docs.microsoft.com/windows-server/administration/windows-commands/ping) command argument to echo an IP address:
+
+```powershell
+wt ping docs.microsoft.com
+```
+
+Here's an example of calling Windows Terminal to open a new tab with a PowerShell command line, confirming to call the [Start-Service](https://docs.microsoft.com/powershell/module/microsoft.powershell.management/start-service) command, and opening another new tab with Windows Command Prompt open to the `/k` directory:
+
+```cmd
+wt new-tab PowerShell -c Start-Service ; new-tab cmd /k dir
+```
+
 ### Target a specific window
 
 > [!IMPORTANT]