Which category of software allows other types of software to interface with the computer hardware?

Collaboration software is designed to facilitate communication and teamwork among users, typically over a network. While it enhances productivity and teamwork, it does not interact directly with hardware components or manage system resources, making it unsuitable for the question's requirements.

Productivity software, such as word processors and spreadsheets, focuses on helping users create and manage documents, conduct calculations, and perform tasks efficiently. Although it provides valuable tools for users, it does not have the capability to interface directly with hardware, which is the essential function of system software.

Shareware refers to software distributed on a trial basis, allowing users to evaluate it before making a purchase. While shareware can encompass various types of software, it does not define a category that interacts with hardware. Its primary focus is on distribution and licensing rather than hardware interfacing.