1. Operating system (OS)
1.1. Definition
1.1.1. A set of program containing instruction that work torether to coordinates all the activities among the computer resources.
1.2. Types
1.2.1. Stand-alone OS
1.2.1.1. A complete operating system that works on a desktop computer,notebook computer / mobile computing device
1.2.2. Server OS
1.2.2.1. That is designed specificially to support a network
1.2.3. Mobile OS
1.2.3.1. Reside on a firmware on a mobile device
1.3. Example of each types
1.3.1. Stand-alone OS
1.3.1.1. Proprietary OS software
1.3.1.1.1. Windows (Windows 7, Windows Vista etc)
1.3.1.1.2. Mac OS
1.3.1.2. Open software
1.3.1.2.1. UNIX
1.3.1.2.2. Linux
1.3.2. Server OS
1.3.2.1. Proprietary OS software
1.3.2.1.1. Windows Server 2008
1.3.2.1.2. Netware
1.3.2.2. Open software
1.3.2.2.1. UNIX
1.3.2.2.2. LINUX
1.3.2.2.3. Solaris
1.3.3. Mobile OS
1.3.3.1. Prorietary OS software
1.3.3.1.1. Windows Phone 7
1.3.3.1.2. iPhone OS
1.3.3.1.3. Palm OS
1.3.3.1.4. Blackberry
1.3.3.2. Open software
1.3.3.2.1. Google Android
1.3.3.2.2. Embedded Linux
1.3.3.2.3. Symbian OS
1.4. Funtion of OS
1.4.1. 1)Start and shut down 2)Provide a user interface 3)Manage program 4)Manage memory 5)Coordinate tasks 6)Configure device 7)Establish an internet connection 8)Monitor performance 9)Provide utilities 10)Automatically update 11)Control a network 12)Administer security