/** The working directory for the command. */
    protected File workingDirectory = null;

    /** The encoding for the command's output. */
    protected String commandOutputEncoding = Charset.defaultCharset().displayName();

    /** The maximum number of lines to buffer from command output. */
    protected int maxOutputLine = 1000;

    /** Whether to redirect standard output to a file. */
    protected boolean standardOutput = false;