# Specifying a Test Suite, Work Directory or Configuration (`open`)

To specify a test suite, work directory, or a configuration `.jti` file, use the `open` command:

... `open` path/filename ...

See About the Command-Line Examples for a description of the use of > jtharness in the following example. See Command-Line Overview for a description of the command line structure. See Formatting a Command for descriptions and examples of the following command formats.

Command Options Example:

> jtharness ... `-open` path/filename ... [task command] ...

Single String Arguments Example:

> jtharness ... `; open` path/filename ; ... [task command] ...

Command File Example:

> jtharness `@`mycmd`.jtb` ... [task command] ...

In addition to any other commands, for this example the mycmd`.jtb` command file must contain the command:
"`open` path/filename;"

Refer to Using Command Files for detailed information about creating and using command files.

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