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Classification of Operating System

  Classification of operating systems The operating systems may be classified into different types depending upon the nature of interaction between the user and his/her program. The various types of operating system are : 1.       single user operating system    2.        Multi user operating system   3.         Batch processing operating system 4.        Multi programming operating system   5.       Multi tasking operating system   6.         Multiprocessing operating system 7.         Time sharing operating system 8.       Real time system      Distributed system Multi threading operating system       Single user operating system ·          ...
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Micro kernel architecture

  Micro kernel  architecture What is Kernel? A kernel is an important part of an OS that manages system resources. It also acts as a bridge between the software and hardware of the computer. It is one of the first program which is loaded on start-up after the bootloader. The Kernel is also responsible for offering secure access to the machine's hardware for various programs. It also decides when and how long a certain application uses specific hardware. What is Microkernel? Microkernel  is a software or code which contains the required minimum amount of functions, data, and features to implement an operating system. It provides a minimal number of mechanisms, which is good enough to run the most basic functions of an operating system. It allows other parts of the operating system to be implemented as it does not impose a lot of policies. Microkernels and their user environments are usually implemented in the C++ or C programming languages with a little bit of assembly. Ho...
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Multi Programming Operating System

  Multi programming  system ·           Multi programming operating system allows multiple users to execute multiple programs using a single CPU concurrently i.e. at the same time. ·           In multiprogramming several process are kept in the main memory and CPU execute all these processes concurrently. It means, the CPU immediately switches from one process to next that are ready to get executed ·           In such an operating system when one process start process start performing the instructions from several programs at the same time. ·           Rather, it means that there are number program available to CPU and that portion of one is executed, then segment of another and so on                                 ...
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Easytolearn E-book 2

                                                                                                                                                                          Description:here we give you pdf. about classification of operating system in which  we provide all information of classification in detail.  
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ENTERPROCESS COMMUNICATION AND SYNCHRONIZATION

      ENTERPROCESS COMMUNICATION AND SYNCHRONIZATION ·          In multi programming environment multiple process co-exit . a single   program may be broken into number of processes. ·          The process are classified into two categories : independent processes and cooperating processes. ·          An independent process is a standalone process that does not share any data with any other process. It cannot affect or be affected by the other processes executing   in the system. In other words, the modification made to an independent process does not affect the functioning of other process. ·          A cooperating processes is a process that shares data with other processes in a system it can affect or be affectedly the other processes executing in the system ·      ...
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