Operating System (OS)

An Operating System (OS) is the software program that aids the communication between a user and the system.
Windows, Linux, and Android are all examples of operating systems that enable the user to use programs such as Microsoft Office, Notepad, Games, and browsers on a computer or mobile device.

Other operating system functions include:
- memory management
- device management
- file management
- error detection
- job scheduling

An operating system also provides security features to the device, such as keeping the firewall active, and displaying messages related to system vulnerabilities.

The OS will periodically scan the system for any external threat or malicious software activity. It also checks the hardware for any type of damage. The user will then be notified if any problems are detected, so that appropriate action can be taken.

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