Once installed, you can invoke the compiler from the command-line, as such:

$ lessc styles.less

This will output the compiled CSS to stdout, you may then redirect it to a file of your choice:

$ lessc styles.less > styles.css

To output minified CSS, simply pass the -x option. If you would like more involved minification, the is also available with the --clean-css .

To see all the command line options run lessc without parameters or see .