Figure 1-9.—Computer switching and control panel used on a CDS/NTDS system.Ensure you have the correct software for the typeof system and type of computerBoot the computerLoad the software via a peripheral deviceInitialize the systemMonitor the computer for system operationand/or maintenance (tests—programmed andmanual)Your involvement with the software is directlydependent on the type of computer. Generallyspeaking, the bigger the computer system, the lessinvolved you will be with configuring and setting up thesoftware. All computer systems have an operatingsystem to control their operations. An operating systemis a collection of many programs the computer uses tomanage its own resources and operations. Theseprograms control the execution of other programs. Theoperating system used will depend on the type ofcomputer and the systems platform. To communicatewith the operating system of any computer, you need tounderstand the operating system functions and thecommands necessary to talk to it. This is also true ofany applications software and utility programs you use.To communicate with any software, you need to knowits functions and commands.For mainframe computers used in tactical andtactical support applications, the software is designedby an outside support activity. With these systems youdo not have to perform any initial configuration or setupof the software before using it. This has already beendone by the activity that writes the operational programfor the system’s platform. The system operatingcommands you will use to talk to the computer toinitialize and/or reconfigure the operational programare specific. Refer to your combat systems technicaloperations manuals (CSTOMs) or systems operationsmanuals (SOMs) for details.For some minicomputer systems, such as the onesused for the SNAP I and II systems, the software hasalso already been configured and set up. You simplyboot and initialize the system. System operating1-11
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