system software, an operating system and the utility programs that come with it, such as those to compile (translate) programs into machine code and to load them for execution. System software controls a computer’s internal functioning and peripherals such as monitors, printers, and storage devices. The principal system software is the operating system. Some well-known operating systems are Microsoft Windows, macOS, and Linux. Such systems manage hardware, data and program files, and other system resources that allow users to control their computers. Other components of system software are the basic input/output system (BIOS), the boot program, and device drivers. In ...(100 of 190 words)