Spawn a child process with command line arguments in node.js

child_process_spawn.js

const spawn = require('child_process').spawn;
const ls = spawn('ls', ['-lh', '/usr']);

ls.stdout.on('data', (data) => {
  console.log(`stdout: ${data}`);
});
ls.stderr.on('data', (data) => {
  console.log(`stderr: ${data}`);
});
ls.on('close', (code) => {
  console.log(`child process exited with code ${code}`);
});