Operating system is the most integral part of a computer that operates behind the scene to control the overall operation such as input/output, memory, processor and job scheduling. It has many programs that run as system processes. However, users can install other programs from simple screen savers to complex function such as file encryption.
However, these programs may have bugs that expose the system to exploits and attacks such as viruses, worms or system compromise.
Below are some procedures that owners or administrators can applied on operating systems:
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