# behat > A PHP framework for Behaviour-Driven Development. > More information: . - Initialize a new Behat project: `behat --init` - Run all tests: `behat` - Run all tests from the specified suite: `behat --suite={{suite_name}}` - Run tests with a specific output formatter: `behat --format {{pretty|progress}}` - Run tests and output results to a file: `behat --out {{path/to/file}}` - Display a list of definitions in your test suites: `behat --definitions`