Disk Operating System DEFINITION: DOS (Disk Operating System) was the first widely-installed operating system for personal computers. (Earlier, the same name had been used for an IBM operating system for a line of business computers.)The first personal computer version of DOS, called PC-DOS, was developed for IBM by Bill Gates and his new Microsoft Corporation. He retained the rights to market a Microsoft version, called MS-DOS.
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This analysis focuses on the types of attacks generally referred to as distributed denial-of-service, or DDoS, attacks. DDoS attacks are most often used to extort or damage businesses whose websites or online assets are a major source of revenue, are an indicator of brand value, or are critical to operations.
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