OPERATING SYSTEM INSTALLATION‚ MAINTENANCE‚ AND TROUBLESHOOTING GUIDE Table of Contents 1. Table of Contents …………………………………………………………………………............. 2-3 2. Introduction ……………………………………………………………...................................... 4 3. Overview of Operating Systems …………………………………………………………….......... 5 Components and functions of operating systems ……………………………………… 6 Different versions of Windows® operating systems‚ including Windows 2000
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Introduction to the Unix Operating System Unix is the most widely used computer Operating System in the world. Unix has been ported to run on a wide range of computers‚ from handheld personal digital assistants to inexpensive home computing systems to some of the worlds’ largest super-computers. Unix is a multiuser‚ multitasking operating system‚ which enables many people to run many programs on a single computer at the same time. After more than three decades of use‚ Unix is still regarded
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"UNIX was the first operating system designed to run on dissimilar ’ computers by converting most hardware specific commands in machine language into an independent programming language called C ’" . UNIX was the basis of AT&T ’s telephone system and the government ’s wide area network system. Then it became the basis of communication between engineers and scientists‚ and eventually the basis of communication for everyone worldwide. It has held this remarkable spot since 1969. However‚ in
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the most might be one you receive in the middle of the night by some panicked employee stating that a portion of your critical network has gone down. What troubleshooting options are available to provide answers to your network problem? Besides having a proactive helpdesk that can "read" the mind of your network‚ an important part of troubleshooting involves using a network protocol analyzer. If you’ve done your research‚ you realize that there are many choices on the market today that may satisfy your
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Tutorials Point‚ Simply Easy Learning UML Tutorial Tutorialspoint.com UNIX is a computer Operating System which is capable of handling activities from multiple users at the same time. Unix was originated around in 1969 at AT&T Bell Labs by Ken Thompson and Dennis Ritchie. This tutorial gives an initial push to start you with UNIX. For more detail kindly check tutorialspoint.com/unix What is Unix ? The UNIX operating system is a set of programs that act as a link between the computer and the
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Wi-Fi (Wireless Network) Troubleshooting ADSL - No Connection https://iihelp.iinet.net.au/Troubleshooting_ADSL_-_No_Connection This article will guide you through the troubleshooting for no internet connection (sync) on an ADSL1 or ADSL2+ broadband service. Click one of these links to skip down: Symptoms Things to check Troubleshooting If your modem gets back online while it is isolated More information Why do I need to test a different modem or try my modem somewhere else? Symptoms
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UNIX ARCHITECTURE The architecture of UNIX is divided into three levels. On the outer crust reside the Application Programs and other utilities. At the heart of UNIX‚ on the other hand‚ is the Kernel‚ which interacts with actual hardware in machine language. The stream lining of these two modes of communication is done by the middle layer called Shell. Thus the three basic layers are:- ✓ HARDWARE ✓ KERNEL ✓ SHELL At the core is the physical
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UNIX File Access In order to understand how to control access to a file in a system that supports 5‚000 users to 4‚990 of those users‚ a basic understanding of the file permissions of a file on a UNIX system is necessary. A user has the ability to perform three basic actions to a file‚ read‚ write and execute. These three actions will be represented by r‚ w‚ and x respectively. A UNIX system uses a combination of these characters to control the file permissions. The first three characters represent
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........................................................................... 112 Week 1 This Week Learning Outcome To Understand: The Process of Fault diagnosis The Universal Troubleshooting Process Regardless of how complex your particular computer or peripheral device might be‚ a dependable troubleshooting procedure can be broken down into four basic steps (Fig. 4-1): define your symptoms‚ identify and isolate the potential source (or location) of your problem‚ replace the suspected sub-assembly
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When troubleshooting a computer network‚ it is very important that we look at every small detail in that network. One small mistake like a mistyped number can make all the difference in the way a network performs. In the case of the diagram E-1‚ there are many problems like this that can cause the network to not perform the way it is supposed to. Some of these problems include the IP addresses‚ subnet masks‚ and default gateways in this network. All of these things need to be correct and working
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