The software responsible for allocating and managing system resources is called the "operating system (OS)".

The OS is a software program that controls the computer's hardware and software resources. It is responsible for tasks such as:

Managing memory: The OS allocates memory to different programs and processes, and it ensures that no program uses more memory than it needs.
Managing processing power: The OS schedules the execution of programs and processes, and it ensures that no program hogs the CPU.
Managing input and output: The OS controls the flow of data between the computer and its peripherals, such as the keyboard, mouse, and printer.
Managing files and directories: The OS creates and manages files and directories on the computer's hard drive.
Providing a user interface: The OS provides a user interface that allows users to interact with the computer.
The OS is a complex piece of software that is essential for the smooth operation of a computer. It is responsible for managing all of the computer's resources, and it provides a platform for running application software