[Home](./index.md) > [bitburner](./bitburner.md) > [NS](./bitburner.ns.md) > [serverExists](./bitburner.ns.serverexists.md) ## NS.serverExists() method Returns a boolean denoting whether or not the specified server exists. Signature: ```typescript serverExists(host: string): boolean; ``` ## Parameters | Parameter | Type | Description | | --- | --- | --- | | host | string | Host of target server. | Returns: boolean True if specified server exists, and false otherwise. ## Remarks RAM cost: 0.1 GB