An operating system (OS) is a program that executes other programs and applications in a computer. It also acts as an intermediary between a user of a computer and the computer hardware. The users are able to interact directly with the operating system through a user interface such as command language interface (CLI) or graphical user interface (GUI). Operating systems perform essential tasks such as storing or keeping files and directories on the disk, recognizing input from the keyboard and mouse, delivering output to the monitor screen and also controlling peripheral equipment like printers and disk drives. The operating system plays an important role to make sure that different programs and users are running at the same time and do not obstruct with each other. In addition, it is also responsible for protection and security to prevent the unauthorized users from accessing the computer’s system.…show more content… These operating systems have dominated the world of computing today and owned a large market share. Mac OS X is a UNIX-based graphical interface operating system which is manufactured and marketed by Apple Inc. It can only run on Macintosh computers. Next, Linux is the well-known and widely used open source operating system. It is the software on a computer which enables the computer manipulator and applications to access the devices on the computer to carry out desired functions. Then, Windows is designed by Microsoft. It helps the users to complete all kinds of tasks on the computers. For example, check the e-mails, type out documents by using word processors, edit photos, videos and so on. Microsoft has released many versions of Windows and the latest version is Windows 10 in
