Human Resources Guide in Operating System
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Human Resources Guide in Operating System

Human Resources Guide in Operating System

Human resources are less clearly defined since they vary between installations. Most installations, however, have three classes of personnel that deal with the operating system: system programmers, applications programmers, and operations personnel. System programmers are concerned with the overall effectiveness of the computing system and are involved with the functional capability provided to the user and with the performance of the hardware-software system. An effective operating system allows the hardware and software systems to be configured to meet the precise needs of the installation and permits statistics to be recorded on the utilization of the various system components. Special conditions such as hardware errors that occurs during processing, are also frequently recorded for subsequent analysis. Application programmers are concerned with the development and use of programs to satisfy the computing requirements of the development and use of programs to satisfy the computing requirements of an organization. Therefore, an operating system aids the programming effort by providing facilities that simplify the coding of sophisticated procedures, such as input and output routines, and by providing utility programs, such as a sort/merge package, that eliminate the need to prepare a special program for a given task that must be performed. In many cases, an operating system reduces programming problems by allowing main storage to be managed on a dynamic basis. Thus, the user can be less concerned with the structuring his program to fit into a "fixed-size" are of storage. After a program is complete, an operating system alleviates operational problems involved with executing the program. Many operating systems also permit IO device types to be specified at run time instead of when the program is developed. Historically, operating systems have dealt with the operations side of running a computer. Even though modern operating systems also satisfy human and information needs, a great many features of an operating system continue to relate to the operational environment. In other words, an operating system reduces the problems associated with running a computer. Clearly, an operating system provides job-to-job transition so t hat operator intervention between jobs is not required. However, an operating system aids operations personnel in other important ways. From a management viewpoint, most operating systems provide for priority job processing and collect computer usage accounting data for recording and billing purposes. For the computer operator, an effective operating system allows IO volumes to be mounted in advance and permits the system configuration to be modified dynamically when hardware components malfunction or when maintenance must be performed. Most operating systems also allow the operator to communicate with the system via a set of operator commands so that the console operator can control execution of jobs in the system in much the same way that the programmer controls the execution of computer operations within a particular job.

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