Technology In ActionSlide 2TopicsSlide 4System SoftwareOperating System CategoriesReal-Time Operating SystemsSingle-User Operating SystemsMulti-user Operating SystemsDesktop Operating SystemsMicrosoft WindowsMAC OSUNIXLinuxWhat the Operating System DoesThe User InterfaceProcessor ManagementMemory ManagementVirtual MemoryHardware ManagementSoftware Application CoordinationStarting the ComputerHandling Errors in the Boot ProcessThe DesktopStart MenuWindowFile ManagementViewing and Sorting Files and FoldersSlide 29Slide 30Slide 31Slide 32Naming FilesFile Name ExtensionsFile pathWorking with FilesUtility ProgramsDisplay UtilitiesAdd or Remove ProgramsFile Compression ProgramsSystem Maintenance UtilitiesSlide 42Slide 43System RestoreSystem BackupAccessibility UtilitiesChapter 5 Summary QuestionsSlide 48Slide 49Slide 50Slide 51Slide 52Slide 53Slide 54Slide 55© 2007 Prentice-Hall, Inc.1Technology In ActionTechnology In Action© 2007 Prentice-Hall, Inc.2Technology In ActionTechnology In ActionChapter 5Chapter 5Using System Software: Using System Software: The Operating System, Utility Programs, and File The Operating System, Utility Programs, and File ManagementManagement© 2007 Prentice-Hall, Inc.3TopicsTopics•System softwareSystem software•Operating systems:Operating systems:–Kinds of systems Kinds of systems –Common desktop systemsCommon desktop systems–User interactionUser interaction–Manage the processorManage the processor–Manage memoryManage memory© 2007 Prentice-Hall, Inc.4TopicsTopics•Operating systems:Operating systems:–Manage hardwareManage hardware–Interact with application softwareInteract with application software–Start the computerStart the computer–Keep the computer organizedKeep the computer organized•Desktop and windows featuresDesktop and windows features•Utility programsUtility programs© 2007 Prentice-Hall, Inc.5System SoftwareSystem SoftwareOperating systemsOperating systems•Control computer Control computer functions:functions:–Hardware Hardware –Memory Memory –Application programsApplication programs–System maintenanceSystem maintenance•Provide user interfaceProvide user interfaceSystem utilitiesSystem utilities•Programs that perform Programs that perform computer housekeeping computer housekeeping tasks:tasks:–Manage system resourcesManage system resources–Improve efficiencyImprove efficiency–Virus preventionVirus prevention© 2007 Prentice-Hall, Inc.6Operating System CategoriesOperating System Categories•Four categories:Four categories:–Real-Time (RTOS)Real-Time (RTOS)–Single-User, Single-TaskSingle-User, Single-Task–Single-User, MultitaskSingle-User, Multitask–Multi-userMulti-user© 2007 Prentice-Hall, Inc.7Real-Time Operating SystemsReal-Time Operating Systems•Systems with a Systems with a specific purpose and specific purpose and a certain resulta certain result•Uses include:Uses include:–Industrial machinesIndustrial machines–Robotic equipmentRobotic equipment–AutomobilesAutomobiles–Video game consolesVideo game consoles–Home appliancesHome appliances© 2007 Prentice-Hall, Inc.8Single-User Operating SystemsSingle-User Operating SystemsSingle-task systemsSingle-task systems•Perform one task at a timePerform one task at a time•PDAs:PDAs:–Pocket PCPocket PC–Palm OSPalm OS•MS-DOSMS-DOSMultitask systemsMultitask systems•Perform simultaneous tasksPerform simultaneous tasks•WindowsWindows•MAC OSMAC OS•LinuxLinux© 2007 Prentice-Hall, Inc.9Multi-user Operating Systems Multi-user Operating Systems •Known as network operating systemsKnown as network operating systems•Allow access to the computer system by Allow access to the computer system by more than one usermore than one user•Manage user requestsManage user requests•Systems include:Systems include:–UNIXUNIX–Novell NetwareNovell Netware–Windows Server 2003Windows Server 2003© 2007 Prentice-Hall, Inc.10Desktop Operating SystemsDesktop Operating Systems•Operating system combined with the Operating system combined with the processor is known as a platformprocessor is known as a platform–Microsoft Windows / IntelMicrosoft Windows / Intel–Apple Macintosh / MotorolaApple Macintosh / Motorola•Desktop operating systems include:Desktop operating systems include:–Microsoft WindowsMicrosoft Windows–MAC OSMAC OS–UNIXUNIX–LinuxLinux© 2007 Prentice-Hall, Inc.11Microsoft WindowsMicrosoft Windows•Market leader – 90% market shareMarket leader – 90% market shareClick to view the various Windows systemsClick to view the various Windows systemsWindows XP (2001)Offers a new multi-user desktop as well as improved digital media features andInternet capabilities.Windows ME (2000)This upgrade to Windows 95 and Windows 98 includes system backup andmultimedia capabilities (such as Media Player).Windows 2000 (2000)This upgrade to Windows NT offers improvements to file security and Internet support.Windows 98 (1998)This upgrade includes additional file protection and incorporatesInternet Explorer 4.0, a customizable taskbar, and desktop featuresWindows 95 (1995)This operating system runs fasterand more efficiently, introduces Plug and Play capabilities, long file names, short-cutright-click menus, and a cleaner desktop.Windows NT (1993)Fundamentally different operating system with increased security, power,performance, and multitasking scheduler.Windows 3.x (1990-1992)First widely used PC graphical user interface (GUI) operating system. Improvedpoint-and-click mouse operations and multitasking capabilities.Windows 2.0 (1987)Includes better graphics capabilities and introduces keyboard shortcuts andthe ability to overlap windows.Windows 1.0 (1985)Introduces point-and-click commands with a mouse and includes modestmultitasking capabilities and desktop applications.© 2007 Prentice-Hall, Inc.12MAC OSMAC OS•First operating system with point-and-click technology First operating system with point-and-click technology (Graphical User Interface)(Graphical User Interface)•Excellent in:Excellent in:–Graphics displayGraphics display–Processing capabilitiesProcessing capabilities–System reliabilitySystem reliability–Document recoveryDocument recovery•Fewer software applicationsFewer software applicationsMAC OS X© 2007 Prentice-Hall, Inc.13UNIXUNIX•Multi-user, multitask operating systemMulti-user, multitask operating system•Used primarily with mainframesUsed primarily with mainframes© 2007 Prentice-Hall,