1.6 Operating Systems
Operating systems are software systems that make using computers more convenient for users, application developers and system administrators. They provide services that allow each application to execute safely, efficiently and concurrently (i.e., in parallel) with other applications. The software that contains the core components of the operating system is the kernel. Popular desktop operating systems include Linux, Windows and Mac OS X. Popular mobile operating systems used in smartphones and tablets include Google’s Android, Apple’s iOS (for its iPhone, iPad and iPod Touch devices), Windows Phone 8 and BlackBerry OS.
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