what are the main functions of an operating styem?

booting the computer: when you turn the button on to turn the computer on it sends a signal to get everything everything working so you can use the computer.
provides a user interface:It means in which a person controls a software applications or hardware device.
provides file management: A file manager or file browser is a computer program that provides a user interface to manage files and folders.
performs basic computer tasks: One of the tasks is to boot up the computer and another one is installing programs and there are many more.
handles system resources: In computer programming, a handle is an abstract reference to a resource.
what would happen if a computer did not have an operating system: You can still turn it on but it would just be a black screen because there will be no operating system to function everything in the computer.

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	Created by Oliver Cutcliffe almost 9 years ago