ch14 - Chapter 14 Windows Operating Systems Understanding...

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Chapter 14 Windows Operating Systems Understanding Operating Systems, Fourth Edition
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Understanding Operating Systems, Fourth Edition 2 Objectives Objectives You will be able to describe: The importance of MS-DOS in early Windows releases The design goals for Windows operating systems The role of the Memory Manager, especially the Virtual Memory Manager The use of the Device, Processor, and Network Managers in recent versions of Windows The role of the NT file system in file management
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Understanding Operating Systems, Fourth Edition 3 Objectives (continued) Objectives (continued) You will be able to describe: The challenges for Windows system security today How the current Windows user interface functions
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Understanding Operating Systems, Fourth Edition 4 Windows Development Windows Development Table 14.1: Windows Development Early Windows GUI Products ran “on top of” MS-DOS
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Understanding Operating Systems, Fourth Edition 5 Windows Development Windows Development (continued) (continued) Windows for Workgroups: First Windows product to accommodate the needs of network users Could easily share directories, disks, and printers among several interconnected machines Allowed personal intercommunication through e-mail and chat programs Intended for small or mid-sized groups of PCs for small businesses or small departments of larger organizations
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Understanding Operating Systems, Fourth Edition 6 Operating Systems for Single Users Operating Systems for Single Users Disadvantages of running Windows on top of MS-DOS: Little built-in security Couldn’t perform multitasking Had no interprocess communication capability Written to work closely with the microcomputer’s hardware Making it difficult to move OS to other platforms Microsoft developed and released a succession of Windows OSs (not mere GUIs) to appeal to home and office users
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Understanding Operating Systems, Fourth Edition 7 Operating Systems for Single Users Operating Systems for Single Users (continued) (continued) Table 14.2: Evolution of key Microsoft Windows operating systems for home and professional use
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Understanding Operating Systems, Fourth Edition 8 Operating Systems for Networks Operating Systems for Networks Development of Windows NT (more powerful networking products): Windows NT never relied on MS-DOS for support Primary market requirements include: Portability Multiprocessing capabilities Distributed computing support Compliance with government procurement requirements Government security certification The finished product was introduced in 1993
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Understanding Operating Systems, Fourth Edition 9 Operating Systems for Networks Operating Systems for Networks (continued) (continued) Table 14.3: Evolution of key Microsoft Windows networking operating systems. All have evolved from Windows NT
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Understanding Operating Systems, Fourth Edition 10 Operating Systems for Networks Operating Systems for Networks
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This note was uploaded on 10/20/2008 for the course IST 341 taught by Professor Woldering during the Fall '08 term at Cleveland State.

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ch14 - Chapter 14 Windows Operating Systems Understanding...

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