[Home](./index.md) > [bitburner](./bitburner.md) > [NS](./bitburner.ns.md) > [peek](./bitburner.ns.peek.md) ## NS.peek() method Get a copy of the data from a port without popping it. Signature: ```typescript peek(port: number): any; ``` ## Parameters | Parameter | Type | Description | | --- | --- | --- | | port | number | Port to peek. Must be an integer between 1 and 20. | Returns: any Data in the specified port. ## Remarks 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.