<!-- Do not edit this file. It is automatically generated by API Documenter. --> [Home](./index.md) > [bitburner](./bitburner.md) > [Singularity](./bitburner.singularity.md) > [installBackdoor](./bitburner.singularity.installbackdoor.md) ## Singularity.installBackdoor() method SF4.1 - Run the backdoor command in the terminal. <b>Signature:</b> ```typescript installBackdoor(): Promise<void>; ``` <b>Returns:</b> Promise<void> True if the installation was successful. ## Remarks RAM cost: 2 GB