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| | | | | Basic Instructions Before Leaving Earth |  | And God blessed them, and God said unto them, Be fruitful, and multiply, and replenish the earth, and subdue it: and have dominion over the fish of the sea, and over the fowl of the air, and over every living thing that moveth upon the earth. |
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| | Computer: Operating System - OS |
 | Linux |  | Windows |
| What is an Operating System | | The operating system communicates with the system hardware to control the computer's input/output systems. Keyboards and disk drives, and that loads and runs other programs. The operating system is also a set of mechanisms and policies that help define controlled sharing of system resources. | | The kernel | | The kernel is a special program that is loaded into the computer when it is first started. Load modules, such as device drivers, after the system starts running. | | Standard utility programs | | Some programs serve a single function other programs are large and perform many functions. | | System database files | | Most files are relatively small and are used by a variety of programs on the system. | | System startup and configuration files | | Startup and configuration files store information how to look up network name and address. | | Security Policy | | The policy determines how the computer is run with the respect to the users and system administration. Establishing a policy role in the overall process of operating a secure system. |
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January 2025
