# Executing an external command with multiple parameters using tSystem

This scenario executes an external command with multiple parameters using the tSystem component. It demonstrates the use of the Use Array Command option of the component. The system command copy {source} {destination} is used for this purpose. The command has two parameters: {source} and {destination}.

### In this section

* [Procedure](https://help.qlik.com/talend/en-US/components/8.0/system/executing-cmd-with-multiple-para-using-tsystem-procedure)

**Related reference**

* [tSystem](https://help.qlik.com/talend/en-US/components/8.0/system/tsystem "Calls other system processing commands, already up and running in a larger Job.")