# List of Available Commands

The following table describes all of the commands available in command mode.

Command | Description
--- | ---
`concurrency` | Specifies the number of tests that are run concurrently.
`env` | Specifies a test environment in an environment file.
`envFile` or `envFiles` | Specifies an environment file (`.jte`) containing test environments.
`excludeList` | Specifies an exclude list file.
`keywords` | Restricts the set of tests to be run based on keywords.
`kfl` | Specifies one or more known failure list (`.kfl`) files.
`open` | Opens a test suite, work directory, or a configuration `.jti` file.
`params` | This command is deprecated.
`priorStatus` | Selects the tests included in a test run based on their outcome on a prior test run.
`set` | Overrides a specified value in a configuration (`.jti`) file.
`tests` | Creates a list of test directories and/or tests to run.
`testSuite` | Specifies the test suite.
`timeoutFactor` | Increases the amount of time the harness waits for a test to complete
`workDir` or `workDirectory` | Opens an exiting work directory, creates a new work directory, or replaces an existing work directory with a new work directory.
`runTests` | Runs tests in command mode.
`writeReport` | Writes test reports in command mode.

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