When a brand-new computer produced by a factory arrives in a company, it can do nothing. The hardware needs software to makes it work. It is the applications software, such as word processing or spreadsheet software. Because application software cannot communicate directly with the hardware, so the operating system serves as intermediary software between the applications software and the hardware. An operating system is a set of programs that lies between applications software and the computer hardware. It is the fundamental software that control as access to all other software and hardware resources. There are various kind of operating system such as Windows, UNIX, Solaris, and much more. …
