Windows 2000 Overview Highlights l Stable and secure

Windows 2000 Overview

Highlights l Stable and secure (C-2–level) 32 -bit OS l l Windows 98 GUI and l l HAL with Plug and Play (NT had very limited support) HCL important, but not crucial as in NT Good laptop support, unlike NT, and like 98, with hot plug and play New Features l l multitasking, multithread , preemptive, not cooperative protected mode only, configuration in registry NT File System (NTFS), File Allocation Table (FAT), File Allocation Table 32 (FAT 32) Microsoft Management Console USB, Digital Camera, and Multiple Monitor support Direct. X 7 (8 by download) Networking l l Support for 15 network protocols Internet Connection Sharing and Internet Information Services

DOS vs. Windows 2000

Architecture Win 16 VM User mode security Kernel mode OS/2 Win 32 Executive Services Kernel HAL Hardware POSIX

Services, processors, security l Executive Services l I/O Manager l l l l l cache manager file systems network drivers device drivers Object Manager Security Reference Monitor Process Manager Local Procedure Call Facility Virtual Memory Manager Processors l Windows 2000 can support as many as 32 processors, but standard HAL only supports 2 processors (Professional). l Security l File and resource permissions, security log and audit

Windows 2000 Tour l Basics l l l Control Panel l l l add/remove programs display customization printers, modem network and dial up folder options My computer (System) l l l taskbar, start and explorer shortcuts, desktop, icons system properties device manager and hard-drives Others

Administrative Tools l l User Manager Computer Management l l l l Performance Monitor Event Viewer Disk Administrator Defragmentation System Information File and directory permissions l right-click file/dir, properties, security l basic and special access Others l l ipconfig, tracert (trace route) and netstat (active connections) search Files or Folders