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1 Module 1 The Windows NT 4.0 Environment. 2  Overview The Microsoft Operating System Family Windows NT Architecture Overview Workgroups and Domains.

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Presentation on theme: "1 Module 1 The Windows NT 4.0 Environment. 2  Overview The Microsoft Operating System Family Windows NT Architecture Overview Workgroups and Domains."— Presentation transcript:

1 1 Module 1 The Windows NT 4.0 Environment

2 2  Overview The Microsoft Operating System Family Windows NT Architecture Overview Workgroups and Domains

3 3  The Microsoft Operating System Family Windows 95 Windows NT Workstation Comparing Windows 95 to Windows NT Workstation Windows NT Server Comparing Windows NT Workstation to Windows NT Server

4 4 Windows 95 Compatibility with Existing Software Hardware Profiles ? Windows 95 Plug and Play Support Compatibility with Existing Hardware Desktop Performance Microsoft Messaging Internet Explorer Microsoft Internet Explorer FREE

5 5 Windows NT Workstation Windows NT Workstation Microsoft Messaging Internet Explorer Microsoft Internet Explorer FREE Hardware Profiles ? Desktop Performance Peer Web Services Security Operating System Stability

6 6 Comparing Windows 95 to Windows NT Workstation Common Features Technical Differences Key Decision Criteria Mixed Environments

7 7 Windows NT Server Server Performance 256 Inbound Sessions Fault Tolerance Support Internet Information Server Powered by Microsoft BackOffice Windows NT Directory Services Accounts Resources Macintosh Client Support Windows NT Server Windows NT Server Additional Network Services Administrative Wizards

8 8 Comparing Windows NT Workstation to Windows NT Server Common Features Multiple Platforms Multitasking and Multithreading Operations Security etc... Multiple Platforms Multitasking and Multithreading Operations Security etc... DifferencesDifferences Windows NT Workstation Windows NT Server Multitasking Desktop Operating System Multitasking Desktop Operating System Network Server Operating System Network Server Operating System

9 9  Windows NT Architecture Overview User Mode vs. Kernel Mode Executive Services The Windows NT Memory Model

10 10 User Mode vs. Kernel Mode Win32 Application Win32 Application OS/2 Application OS/2 Application Logon Process Logon Process CSR Subsystem CSR Subsystem OS/2 Subsystem OS/2 Subsystem Security Subsystem Security Subsystem POSIX Application POSIX Application POSIX Subsystem POSIX Subsystem User Mode Kernel Mode Object Manager Security Reference Monitor Process Manager Local Procedure Call Facility Virtual Memory Manager Win32K Window Manager & GDI I/O Manager Graphic Device Drivers Device Drivers Executive Services Microkernel Hardware Abstraction Layer (HAL) Hardware

11 11 Executive Services Win32 Application Win32 Application OS/2 Application OS/2 Application Logon Process Logon Process CSR Subsystem CSR Subsystem OS/2 Subsystem OS/2 Subsystem Security Subsystem Security Subsystem POSIX Application POSIX Application POSIX Subsystem POSIX Subsystem User Mode Kernel Mode Object Manager Security Reference Monitor Process Manager Local Procedure Call Facility Virtual Memory Manager Win32K Window Manager & GDI I/O Manager Graphic Device Drivers Device Drivers Executive Services Microkernel Hardware Abstraction Layer (HAL) Hardware

12 12 The Windows NT Memory Model Disk Pagefile.sys Virtual Memory 2 GB Program Address Space 2 GB Program Address Space 2 GB Program Address Space 2 GB Program Address Space App 1 App 2 VirtualMemoryManagerVirtualMemoryManager App 1 App 2 App 1 App 2 System RAM Pages Demand Paging 4 4

13 13  Workgroups and Domains The Workgroup Model The Domain Model Logging On to a Windows NT-based Computer Logging On to a Domain Creating a Computer Account

14 14 The Workgroup Model Administration and Security Directory Database Administration and Security Directory Database Administration and Security Directory Database Administration and Security Directory Database Administration and Security Directory Database Administration and Security Directory Database Administration and Security Directory Database Administration and Security Directory Database

15 15 The Domain Model Administration and Security BDC NTS NTW Windows 95 BDC PDC Directory Database Directory Database Copied Directory Database Copied Directory Database Copied Directory Database Copied Directory Database

16 16 Logging On to a Windows NT–based Computer Security Accounts Manager New Process User name: HelpCancel Shut Down Logon Information Enter a user name and password that is valid for this system. OK Password: Domain: Domain -1 User -1 Directory Database Local Security Authority Local Security Authority

17 17 Logging On to a Domain Domain Member Domain Controller New Process 10 User name: HelpCancel Shut Down Logon Information Enter a user name and password that is valid for this system. OK Password: Domain: Domain -1 User -1 Local Security Authority Local Security Authority Net Logon Net Logon Security Accounts Manager Net Logon Net Logon Directory Database

18 18 Creating a Computer Account Domain Network

19 19 Review The Microsoft Operating System Family Windows NT System Architecture Overview Workgroups and Domains


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