# jmeter > Open source Java application designed for load testing functional behavior and measure performance. > More information: . - Run a specific test plan in nongui mode: `jmeter {{[-n|--nongui]}} {{[-t|--testfile]}} {{path/to/file.jmx}}` - Run a test plan in nongui mode using a specific log file: `jmeter {{[-n|--nongui]}} {{[-t|--testfile]}} {{path/to/file.jmx}} {{[-l|--logfile]}} {{path/to/logfile.jtl}}` - Run a test plan in nongui mode using a specific proxy: `jmeter {{[-n|--nongui]}} {{[-t|--testfile]}} {{path/to/file.jmx}} {{[-H-|--proxyHost]}} {{127.0.0.1}} {{[-P|--proxyPort]}} {{8888}}` - Run a test plan in nongui mode using a specific JMeter property: `jmeter {{[-n|--nongui]}} {{[-t|--testfile]}} {{path/to/file.jmx}} {{[-J|--jmeterproperty]}} {{key}}='{{value}}'`