code: function get (command, options, callback) {
    let execOptions, execCallback
    if (typeof options === 'function') {
      execCallback = options
      execOptions = null
    } else {
      execOptions = options
      execCallback = callback
    }
    const subProcess = exec(command, execOptions, (error, stdout, stderr) => {
      if (typeof execCallback === 'function') {
        execCallback(error, stdout, stderr)
      }
    })
    redirectSubProcessStream(subProcess)
    return subProcess
  }
docs: Run command
  Example:
  get('ls -al', {'cwd':'/home/myUser'}, function(error, data, stderr){
  console.log('data');
  })
  
  For more information about options, please visit (https://nodejs.org/api/child_process.html#child_process_child_process_exec_command_options_callback)
  
  @param (string) command
  @param (object) options
  @param (function) callback