Compare And Contrast Microsoft Dos With Unix
Compare And Contrast Microsoft Dos With UnixCompare and Contrast Microsoft DOS with UNIX Arthur Bennis Microcomputer Operating Systems CGS 1560 INTRODUCTION As is suggestive of its name, an operating system (OS) is a collection of programs that operate the personal computer (PC). Its primary purpose is to support programs that actually do the work one is interested in, and to allow competing programs to share the resources of the computer. However, the OS also controls the inner workings of the computer, acting as a traffic manager, which controls the flow of data through the system and initiates the starting and stopping processes, and as a means through which software can access the hardware and system software. In addition, it provides routines for device control, provides for the management, scheduling and interaction of tasks, and maintains system integrity. It also provides a facility called the user interface, which issues commands to the system software. Utilities are provided for managing files and documents created by users, development of programs and software, communicating between users with other computer systems and managing user requirements for programs, storage space and priority.
This allows variants of UNIX based operating systems to communicate between themselves or with other platforms (Osiris, 1-2). While DOS users tend not to use the term kernel and only sometimes use the term shell, the terms remain relevant. 1, in which the number to the left of the decimal point is the same as the previous version depict relatively minor changes from the previous release. 0 of DOS was released along with the IBM PC in August 1981. In addition, one can customize DOS to suit the current hardware. As the processor executes millions of instructions per second, this gives the appearance of many processes running at once. It can be said that DOS has two main drawbacks. Consequently, MS-DOS was set up to support programs whose maximum size was 640K. The first five versions were part of an internal research effort of Bell Labs, and it was not until the sixth version, called UNIX Timesharing Sixth Edition V, that UNIX was widely distributed (Osiris, 1). The kernel handles the transfer of data among the various parts of the system, such as from hard disk to RAM to CPU.
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