How Operating Systems Work - 0 views
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It manages the hardware and software resources of the system.
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Most desktop or laptop PCs come pre-loaded with Microsoft Windows. Macintosh computers come pre-loaded with Mac OS X. Many corporate servers use the Linux or UNIX operating systems. The operating system (OS) is the first thing loaded onto the computer -- without the operating system, a computer is useless.
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The operating system's tasks, in the most general sense, fall into six categories
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Processor managementMemory managementDevice managementStorage managementApplication interfaceUser interface
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Process Control Block
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Each process must have enough memory in which to execute, and it can neither run into the memory space of another process nor be run into by another process.
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graphical user interface (GUI),