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An operating system (OS) is a collection of software that manages computer hardware resources and provides common services for computer.
Table of contents

The first digital computers had no operating systems. They ran one program at a time, which had command of all system resources, and a human operator would provide any special resources needed. The first operating systems were developed in the mids.

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Supervisor programs also provided multiprogramming capabilities to enable several programs to run at once. Computers acquired more powerful operating systems in the s with the emergence of time-sharing, which required a system to manage multiple users sharing CPU time and terminals. After the Multics system for General Electric Co. The minicomputers of the s had limited memory and required smaller operating systems.

It became widely used in the s, in part because it was free to universities and in part because it was designed with a set of tools that were powerful in the hands of skilled programmers. More recently, Linux , an open-source version of UNIX developed in part by a group led by Finnish computer science student Linus Torvalds and in part by a group led by American computer programmer Richard Stallman , has become popular on personal computers as well as on larger computers.

In addition to such general-purpose systems, special-purpose operating systems run on small computers that control assembly lines, aircraft, and even home appliances. They are real-time systems, designed to provide rapid response to sensors and to use their inputs to control machinery. Operating systems have also been developed for mobile devices such as smartphones and tablets. Apple Inc. From the standpoint of a user or an application program, an operating system provides services.

The Operating System The operation system OS is a set of programs that coordinates: Hardware functions Interaction between application software and computer. Section 2. Similar presentations. Upload Log in.

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My presentations Profile Feedback Log out. Log in. Auth with social network: Registration Forgot your password? Download presentation. Cancel Download. It discuss some of the terms and general concepts and shows how to configure the settings in a virtual machine.

Basics of OS (Computer System Operation)

This section discusses the key mobility settings when Windows is running on a mobile platform such as a laptop. It demonstrate the use of Remote Desktop Connection, use of Mobility Center and how to Synchronize files when the mobile device and network resource is connected back to the network. This section introduces the management tools found in the Windows Operating System. It covers the command line interpreters: the command prompt; Powershell and Powershell ISE as a powerful way to manage the operating system without dependence on the GUI. This section takes a look into the system requirements, editions and upgrade paths for Windows Operating Systems.

It explains the importance of understanding the minimum requirements for an operating system. It also covers the use of upgrade paths, which is normally found in the home environment rather than the business environment. This section explains different media options to install a Windows OS and installation types. It covers the use of optical media, usb drive and network installation. It demonstrates a clean install, an upgrade and migration as different types of possible installations.

Fundamentals of Operating Systems

This section takes a look at the Windows Operating System Architecture. It explains fundamental parts of the user mode, kernel mode, hardware abstraction layer that runs on the hardware. This section discusses different types of software installation files that are available. It demonstrate how to run the installation from an. These are principle services and applications that run to allow users to operate on Windows. It describes the built in antivirus and how it functions as well as the different configuration settings possible with the Firewall.

This section discusses the interdependent relationship of File Systems and Permissions. It demonstrates the NTFS permissions in action and the results when setting different permissions. This section discusses encryption methods.

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It also demonstrate configuring Bitlocker. This section discusses the different types of storage in computer systems. It covers storage device types, and their connectivity method. It explains common partitioning schemes, and demonstrate methods to partition a storage device.

This section takes a look at supporting printers in Windows It covers the difference between a print driver and a print spooler, a printer and a print device, and a local vs network printer. This section explores the importance of backups, recovery, and updates in Windows This section explores different tools, settings and configuration utilities in the Windows Control Panel.

It covers administrative tools, accessibility options and more. This section explores different attributes, utilities and tools to configure the primary Windows interface known as the Desktop.

See a Problem?

This section explores different applications built into the Windows operating system. This section explores the various Windows OS editions, hardware and compatibility requirements.

It discusses the valid upgrade paths from previous versions of Windows. This section explores application configuration, startup options, Windows SmartScreen, the Windows Store and more. This section explores ways to group and catalog files from different locations via File Explorer-based libraries. It explains how to make files available when the network is not. This section explores various storage technologies.