# Using Command Files

A command file is a text file that contains one or more commands used by the harness from the command line or as a part of a product build process. You can place combinations of configuration settings and commands in the command file and use it to repeatedly perform the following actions:

- Perform test runs
- Write test reports
- Audit test results

The advantage of using the command file format is that it is easy to use a complex, persistent, repeatable set of commands in a command line.

The commands used in a command file are a formatted set of commands, executed in the sequence that they appear in the command string. Use the commands in the command file as you would if you were writing a script. See Formatting a Command for a description of the formats you can use.

The following topics provide additional detailed information:

- Creating a Command File
- Examples of Using Command Files

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