P2

An operating system is the level of programming that lets you do things with your computer. operating systems perform basic task,such as recognizing input fro m the keyboard,sending output to the display screen,keeping track of files and directories on the disk,and controlling peripheral devices such as disk drives and printers.




Machine and Peripheral management

Peripheral management controls peripheral devices by sending them commands in their own computer language.When a new peripheral is added, that device's driver is installed into the operating system. The operating systems controls the whole machine and all the components there. It also controls peripherals such as keyboards, mouses and printers.







Security.


However, effective security should plan for what happens if these measures fail, and how data confidentiality can be protected even if computer equipment or media fall into the wrong hands. This is particularly important when it comes to the protection of sensitive information such as financial data.






File manager


A file manager or file browser is a computer program that provides a user interface to manage files and folders. The most common operations performed on files or groups of files include creating, opening (e.g.viewing, playing, editing or printing), renaming, moving or copying,deleting and searching for files, as well as modifying file attributes, properties and file permission.






Device drivers


In computing, a device driver (commonly referred to as simply a driver) is a computer program that operates or controls a particular type ofdevice that is attached to a computer.