Введение в язык программирования Leo. Часть 5: работа с командной строкой.
https://medium.com/@klaploperr/%D0%B2%D0%B2%D0%B5%D0%B4%D0%B5%D0%BD%D0%B8%D0%B5-%D0%B2-%D1%8F%D0%B7%D1%8B%D0%BA-%D0%BF%D1%80%D0%BE%D0%B3%D1%80%D0%B0%D0%BC%D0%BC%D0%B8%D1%80%D0%BE%D0%B2%D0%B0%D0%BD%D0%B8%D1%8F-leo-%D1%87%D0%B0%D1%81%D1%82%D1%8C-5-%D1%80%D0%B0%D0%B1%D0%BE%D1%82%D0%B0-%D1%81-%D0%BA%D0%BE%D0%BC%D0%B0%D0%BD%D0%B4%D0%BD%D0%BE%D0%B9-%D1%81%D1%82%D1%80%D0%BE%D0%BA%D0%BE%D0%B9-d0b737406942