Operating Systems

The operating system is the liaison between computer users with computer hardware. General understanding of the operating system is managing all the resources contained on a computer system and provides a set of services (system calls) to the user ease and comfort for the use and utilization of computer system resources.

There are two types of operating systems based on its user interface (user interface) that is based Cui (Character User Interface) and GUI (Graphical User Interface). Cui-based Operating System, for example: DOS (Disk Operating System) and UNIX and Linux Operating System on the mode terminal / console. While GUI-based operating systems, such as Microsoft Windows 9x, 2000, NT, XP, and UNIX and Linux operating systems that have supported the GUI.