const childProcess = require('child_process')

const execProcess = commands => {
    commands.forEach(element => {
        childProcess.exec(element, (err, stdout) => {
            if (!err) {
                console.log(`Error: ${err}`);
            } else {
                console.log(`Stdout: ${stdout}`)
            }
        })
    });
}

execProcess(['echo 1', 'echo 2', 'echo 3'])