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Slide1 : McGraw-Hill Technology Education Copyright © 2006 by The McGraw-Hill Companies, Inc. All rights reserved.


Chapter 7B : Chapter 7B Survey of PC and Network Operating Systems


PC Operating Systems : PC Operating Systems Microsoft Windows is the most popular Installed more than other OS combined Installed on about 95% of computers Apple and Linux represent the other 5%


PC Operating Systems : PC Operating Systems DOS Disk Operating System Single user single-tasking OS Command line interface 16-bit OS Powerful Fast Supports legacy applications


DOS Application : DOS Application


PC Operating Systems : PC Operating Systems Windows NT Designed for a powerful system 32-bit OS Very stable Windows NT Workstation Single user multi tasking OS Windows NT Server Multi user multi tasking OS Network operating system


PC Operating Systems : PC Operating Systems Windows 9x 95, 98, and Millennium Edition (Me) 32-bit OS Supported 16-bit programs well Very pretty not stable OS Still found in large corporations 95 introduced the Start button 98 introduced active desktop Me improved multimedia software


PC Operating Systems : PC Operating Systems Windows 2000 Look of 9x with NT stability Optimized for office and developers Application software ran very well Entertainment software ran very poorly


PC Operating Systems : PC Operating Systems Windows XP Microsoft’s newest desktop product Different look from 2000 Many different versions Digital multimedia support was enhanced Communications was enhanced Mobile computing became a priority


PC Operating Systems : PC Operating Systems UNIX Runs on all computer types 32- or 64-bit Very stable and fast Command-line interface Can cost thousands of dollars


PC Operating Systems : PC Operating Systems Linux Free or inexpensive version of UNIX 32-bit OS Very stable and fast Most flavors are open source X Windows GUI Command line interface is available


Linux Desktop : Linux Desktop


PC Operating Systems : PC Operating Systems Macintosh operating systems OS X Based on FreeBSD Linux Very stable and easy to configure Only runs on Mac hardware


OS X Desktop : OS X Desktop


NOS Features : NOS Features Network operating system Fast and stable Runs on servers Multi-user and multitasking OS 32- or 64-bit


NOS Features : NOS Features File and print sharing Users access the same files Hundreds of users use a printer Different OS can interact


NOS Features : NOS Features Data integrity Backups copies data onto tape RAID copies data onto other drives Redundant Array of Inexpensive Disks Relies on two or more hard drives May speed access to data


NOS Features : NOS Features Data security Access to data can be restricted Access to server resources is controlled Audits can be kept


Networking Operating Systems : Networking Operating Systems NT Server Same core as NT Workstation Security added Multi user capability added RAID support included


Networking Operating Systems : Networking Operating Systems Windows 2000 Server Same technology as 2000 workstation Active Directory (AD) Central database of server resources Simplifies network management Distributed programs supported Server Standard Edition Advanced Server Edition Data Center Edition


Networking Operating Systems : Networking Operating Systems Windows 2003 Server Designed to compete with UNIX XP like interface Better support for XP computers MS .NET framework supported Distributed programs are supported Server Standard Edition Data Center Edition


Networking Operating Systems : Networking Operating Systems UNIX for servers Oldest NOS in widespread use Stable secure and fast Main OS for Internet and Web Large organizations depend on UNIX


Networking Operating Systems : Networking Operating Systems Linux for servers Popular in small businesses Stable, fast and inexpensive Linux’s popularity is growing


Embedded Operating Systems : Embedded Operating Systems Devices have EOS built in Cell phones, PDAs, medical equipment Stable and fast


Embedded Operating Systems : Embedded Operating Systems Windows XP embedded Based on Windows XP Customized for each device


Embedded Operating Systems : Embedded Operating Systems Windows CE Not based on a desktop OS Customized for each device PDA and cell phones Microsoft Automotive will run in cars


Embedded Operating Systems : Embedded Operating Systems Palm OS Standard on Palm PDA First PDA OS for consumers Can be found on cell phones


Embedded Operating Systems : Embedded Operating Systems Pocket PC Developed to compete with Palm Not customizable Interacts securely with business networks Can control PCs through PC


Embedded Operating Systems : Embedded Operating Systems Symbian Found in smart cell phones Games, Instant Messaging, Internet Full color display


Chapter 7B : Chapter 7B End of Chapter