It allocates and effectively deallocates the device.It monitors the status of every device, including printers, storage drivers, and other devices.It improves the performance of specific devices.It enforces the pre-determined policies and decides which process receives the device when and for how long.

The file system is a term used to define a group of facilities.

It keeps track of data, status, location, uses, etc.

There are various functions of device management in the operating system. The OS component gives a uniform interface for accessing devices with various physical features. The operating system (OS) handles communication with the devices via their drivers. Functions of the device management in the operating system It is used for transmitting the data packets. It transmits or accepts a stream of characters, none of which can be addressed individually. It stores data in fixed-size blocks, each with its unique address. The fundamentals of I/O devices may be divided into three categories: It also determines whether the requested device is available. The system has multiple devices, and in order to handle these physical or virtual devices, the operating system requires a separate program known as an ad device controller. Otherwise, the procedure would have to be postponed until adequate resources become available. If resources are available, they could be allocated, and control returned to the CPU. A process may require various resources, including main memory, file access, and access to disk drives, and others. Device management in an operating system means controlling the Input/Output devices like disk, microphone, keyboard, printer, magnetic tape, USB ports, camcorder, scanner, other accessories, and supporting units like supporting units control channels.

Device manager in operating system