peek() Netscript Function
=========================

.. js:function:: peek(port)

    :param number port: Port to peek. Must be an integer between 1 and 20
    :RAM cost: 1 GB

    This function is used to peek at the data from a port. It returns the first element in the specified port
    without removing that element. If the port is empty, the string "NULL PORT DATA" will be returned.

    Read about how :ref:`netscript_ports` work here