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:forbidden:Operating System Purpose:forbidden: (GUI(Graphical user…
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Operating System Purpose
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GUI(Graphical user interface)
What does it do?
The graphical user interface allows users to interact with electronic devices through graphical icons and visual indicators such as secondary notation, instead of text-based user interfaces, typed command labels or text navigation
CLI(command-line interface)
What does it do?
is a means of interacting with a computer program where the user ( issues commands to the program in the form of successive lines of text
Hardware
What does it do?
An operating system is the most important software that runs on a computer. It manages the computer's memory and processes, as well as all of its software and hardware. It also allows you to communicate with the computer without knowing how to speak the computer's language.
Example
computer case, monitor, keyboard, and mouse.
Multitasking
What does it do?
Multitasking, in an operating system, is allowing a user to perform more than one computer task at a time. The operating system is able to keep track of where you are in these tasks and go from one to the other without losing information.
Security
What does it do?
Operating system security (OS security) is the process of ensuring OS integrity, confidentiality and availability. OS security refers to specified steps or measures used to protect the OS from threats, viruses, worms, malware or remote hacker intrusions.
Examples
Worm.
Malicious Software (Malware)
Hacker.
Patch.
Firewall.
File manager
What does it do?
A file manager is a software program that helps a user manage all the files on their computer.It allow the user to view, edit, copy, and delete the files on their computer storage devices.
Utilities
Operating systems control the computer hardware and act as an interface with application programs. Utility software helps to manage, maintain and control computer resources.
Examples
antivirus software, backup software and disk tools.
Memory
What does it do?
Memory management is the functionality of an operating system which handles or manages primary memory and moves processes back and forth between main memory and disk during execution.
Example
hard disk drives, floppy disks and magnetic tape
Interrupt
What does it do?
An interrupt is when a signal to the processor emitted by hardware or software indicating an event that needs immediate attention.
Example
Interrupts can also be generated by other devices, such as a printer, to indicate that some event has occurred.