DOS Applications and Windows 95

Windows 95 Intermediate - DOS Applications and Windows 95 - Slide No. 1

Windows 95 - Intermediate

Windows 95 Intermediate - DOS Applications and Windows 95 - Slide No. 2

The DOS Window Toolbar

•Access to screen and program control

Alt+Enter to toggle betweenfull screen and a window

Windows 95 Intermediate - DOS Applications and Windows 95 - Slide No. 3

The Start Command

•Windows applications can now be launched froma DOS prompt

START CALC will start the Windows95 Calculator, (stored as CALC.EXE)

Windows 95 Intermediate - DOS Applications and Windows 95 - Slide No. 4

Showing a Visual Directory DisplayUsing the Start Command

•Enter the command Start .

•A window will visually display the file and folderstructure

START .

Windows 95 Intermediate - DOS Applications and Windows 95 - Slide No. 5

Using DIR/v and COPYWith Long File Names

•Long file name support

Windows 95 Intermediate - DOS Applications and Windows 95 - Slide No. 6

A New EDIT.COM Program

•Smaller and Fasterthan the true DOSversion

•Able to open multiplefiles (up to 9)

•Able to open files aslarge as 4 MB

Windows 95 Intermediate - DOS Applications and Windows 95 - Slide No. 7

What About PIF Files?

•Windows 3.1 required PIF (ProgramInformation Files) so that it knewhow to run a particular DOSprogram

–A complicated process if you had to writeyour own PIF file!

•Property sheets replace PIF files inWindows 95

Windows 95 Intermediate - DOS Applications and Windows 95 - Slide No. 8

Review Questions

Windows 95 Intermediate - DOS Applications and Windows 95 - Slide No. 9

Networking With Windows 95

Windows 95 - Intermediate

Windows 95 Intermediate - DOS Applications and Windows 95 - Slide No. 10

Windows 95 Network Features

•Many different types of network work well withWindows 95 including:

•Novell

•Windows for Workgroups

•MS NT Server

•etc

Windows 95 Intermediate - DOS Applications and Windows 95 - Slide No. 11

Peer-to-Peer Networksvs. Server-Based Networks

•Server-based networking

–Large corporate workgroups

•Peer-to-Peer networks

–Small workgroups

Windows 95 Intermediate - DOS Applications and Windows 95 - Slide No. 12

Sharing Documents and Folders

•Disks, files and folders can beshared

•You can control the level ofaccess other people have toyour system

Windows 95 Intermediate - DOS Applications and Windows 95 - Slide No. 13

Sharing Printers

•You can easily shareprinters attached to your PC

•You can attach to printersconnected to other PCs

Windows 95 Intermediate - DOS Applications and Windows 95 - Slide No. 14

Windows 95 as a Network Client

•Comprehensive range of networks andprotocols

Novell - IPX

Microsoft - NetBEUI

Internet

TCP/IP

Windows 95 Intermediate - DOS Applications and Windows 95 - Slide No. 15

Remote Access Services (RAS)

•Allows you to connect to the office computerwhen you are away from the office

I can’t tell thedifference!

HOME

MY OFFICE

Windows 95 Intermediate - DOS Applications and Windows 95 - Slide No. 16

Windows 95 and the Internet

•Easy Internet communication

•Vast range of services easily accessed

•Watch your phone bills!

Windows 95 Intermediate - DOS Applications and Windows 95 - Slide No. 17

Mail and Fax Services

•E-mail services areavailable

•You can sendfaxes electronically

•The MicrosoftExchange networkis available as atool for corporatesupportprofessionals

Windows 95 Intermediate - DOS Applications and Windows 95 - Slide No. 18

Review Questions

Windows 95 Intermediate - DOS Applications and Windows 95 - Slide No. 19

Advanced Use ofThe Clipboard and OLE

Windows 95 - Intermediate

Windows 95 Intermediate - DOS Applications and Windows 95 - Slide No. 20

Manipulating ‘Scraps’

•Text or graphics can be dragged directly ontoyour Desktop

•Useful as a temporary storage medium

–There are endless ways to use scraps, such as a way to store‘headed note paper’

A new conceptavailable withinWindows 95!

Windows 95 Intermediate - DOS Applications and Windows 95 - Slide No. 21

DOS and the Clipboard

•It is easy to copy data fromthe DOS session to theClipboard

Windows 95 Intermediate - DOS Applications and Windows 95 - Slide No. 22

Screen Dumpsand Producing Documentation

•Print Screen

–Dumps the entire screen to the Clipboard

•Alt+Print Screen

–Dumps the active window to the Clipboard

•Very useful for producing Windows-baseddocumentation

•The screen dumps may be edited and croppedwithin the Paint program

Windows 95 Intermediate - DOS Applications and Windows 95 - Slide No. 23

Benefits of Using OLE

•Allows document centric computing

–Less reliance on applications, disks, and files

•Linking allows you to save disk space

–Avoids duplication of disk eating bitmaps!

•Allows transmission of data across a network

–Without having to also send the application that created it

MORE PRODUCTIVITY

The Boss

Windows 95 Intermediate - DOS Applications and Windows 95 - Slide No. 24

New Features of OLE

•In-place Activation

•Adaptable Links

•Inter-program Drag and Drop

•Improved Disk and Memory Usage

•Logical Pagination of Objects

•Storage Independent Links

•Object Conversion

Windows 95 Intermediate - DOS Applications and Windows 95 - Slide No. 25

OLE 2 - In-place Activation

Microsoft Word - before in-place activation

Microsoft Word - after in-place activation

Windows 95 Intermediate - DOS Applications and Windows 95 - Slide No. 26

OLE 2 - Storage Independent Links

•OLE 1 linking mechanism is file system dependent

•OLE 2 linking mechanism is file system independent

–In theory!

OLE 2

No worries!

Windows 95 Intermediate - DOS Applications and Windows 95 - Slide No. 27

OLE 2 - Adaptable Links

•Links should be maintained if you copy a linkedobject to a new disk location

–In theory!

Windows 95 Intermediate - DOS Applications and Windows 95 - Slide No. 28

OLE 2 - Logical Pagination of Objects

•Embedded objects can now be spread acrossmultiple pages

–Using imposed, logical, page breaks within the host

Windows 95 Intermediate - DOS Applications and Windows 95 - Slide No. 29

OLE 2 - Object Conversion

•OLE 2 embedded objects may be selected and theformat changed

In this example an Excel chart hasbeen embedded in a Word document

Windows 95 Intermediate - DOS Applications and Windows 95 - Slide No. 30

Linking and Updating Issues

•Links can be:

–Updated manually

–Updated automatically

–Locked

–Broken

Windows 95 Intermediate - DOS Applications and Windows 95 - Slide No. 31

Review Questions

Windows 95 Intermediate - DOS Applications and Windows 95 - Slide No. 32

Customizing Windows 95

Windows 95 - Intermediate

Windows 95 Intermediate - DOS Applications and Windows 95 - Slide No. 33

Customizing the Background

•You can place any image youwish on the Windows 95background

–Provided it is in a file format thatWindows 95 understands

Click on theDesktop,using theright-handmouse button

Windows 95 Intermediate - DOS Applications and Windows 95 - Slide No. 34

Setting a Screen Saver

•You can change yourscreen saver usingthe Display Propertiesoptions

–Prevents screen ‘burn-in’

Click on theDesktop,using theright-handmouse button

BEWARE: Do not forget your passwordif you set one!

Windows 95 Intermediate - DOS Applications and Windows 95 - Slide No. 35

Setting Color Schemes

•Useful for changing thescreen appearance

•27 different schemes!

Click on theDesktop,using theright-handmouse button

Windows 95 Intermediate - DOS Applications and Windows 95 - Slide No. 36

What is the Control Panel?

•A window containing icons that allow you tomodify, control and customize your system

Windows 95 Intermediate - DOS Applications and Windows 95 - Slide No. 37

Setting the Time and Date

•Date

•Time

•Time Zone

Windows 95 Intermediate - DOS Applications and Windows 95 - Slide No. 38

Customizing the Mouse and Keyboard

•Mouseconfiguration

•Keyboardconfiguration

Windows 95 Intermediate - DOS Applications and Windows 95 - Slide No. 39

Changing Your Windows 95 Password

•Allows you tochange yourWindows 95 logonpassword

Windows 95 Intermediate - DOS Applications and Windows 95 - Slide No. 40

Adding New Devices

•‘Add New Hardware Wizard’

•Automatic device detection

Windows 95 Intermediate - DOS Applications and Windows 95 - Slide No. 41

Installing New Application Programs

•Install programs tracked

•Un-install feature

Windows 95 Intermediate - DOS Applications and Windows 95 - Slide No. 42

Creating Shortcuts

•Shortcuts are pointers to objects

•Can be created via:

–Direct Desktop manipulation

–Drag and drop to the file system

Shortcut to Word

Drag to the Desktopor to a folder

Windows 95 Intermediate - DOS Applications and Windows 95 - Slide No. 43

Customizing Shortcut Behavior

•You can customize the way a program startswhen run from a shortcut icon

•It can be run as a window, full screen, or as anicon

•You can also define a keyboard combination usedto automatically start the program represented bythe shortcut

Windows 95 Intermediate - DOS Applications and Windows 95 - Slide No. 44

Customizing Shortcut Icons

•Changed via the Properties pop-up menu

Windows 95 Intermediate - DOS Applications and Windows 95 - Slide No. 45

File Viewers

•Quick View

–View files without launching theassociated application

Windows 95 Intermediate - DOS Applications and Windows 95 - Slide No. 46

Adding Your Desktop to the Start Menu

•You can add the Desktop to your Start menu

–Allows easy access to the Desktop objects

•Right-click on the Taskbar and select the ‘Minimize All Windows’command to quickly display the Desktop

Windows 95 Intermediate - DOS Applications and Windows 95 - Slide No. 47

Review Questions

Windows 95 Intermediate - DOS Applications and Windows 95 - Slide No. 48

Security and Optimization Issues

Windows 95 - Intermediate

Windows 95 Intermediate - DOS Applications and Windows 95 - Slide No. 49

DriveSpace and Disk Compression

•DriveSpace

•Compressed Volume File(CVF)

Windows 95 Intermediate - DOS Applications and Windows 95 - Slide No. 50

The Disk Defragmenter

•Reorders data to ensure blocks are contiguous

Windows 95 Intermediate - DOS Applications and Windows 95 - Slide No. 51

ScanDisk

•File system problems

•32 bit utility

Windows 95 Intermediate - DOS Applications and Windows 95 - Slide No. 52

Backup

•Allows you to backup someor all of your files todiskette or tape

•Only certain tape drives aresupported

–Not DAT tapes!

•No automatic, timed backupfacility

•Better than nothing!

–Most corporates would use aprofessional backup package

Windows 95 Intermediate - DOS Applications and Windows 95 - Slide No. 53

Net Watcher

•Provides information on who is connected to your PC

•Allows you to:

–Select servers

–Disconnect users

–View details of who is connected and what they are doing

Windows 95 Intermediate - DOS Applications and Windows 95 - Slide No. 54

Resource Meter

•Indicates:

–Free system resources

–User resources

–GDI resources

NOTE: Once any of theseresources are exhausted, thesystem will either respond veryslowly, or even fail to respond

NOTE: Resources are not thesame as free memory

Windows 95 Intermediate - DOS Applications and Windows 95 - Slide No. 55

System Monitor

• Allows you to monitor system CPU activity

Windows 95 Intermediate - DOS Applications and Windows 95 - Slide No. 56

Review Questions

Windows 95 Intermediate - DOS Applications and Windows 95 - Slide No. 57

Microsoft Plus

Windows 95 - Intermediate

Windows 95 Intermediate - DOS Applications and Windows 95 - Slide No. 58

What is Microsoft Plus?

•Microsoft Plus is a separateproduct that can bepurchased from Microsoft toenhance the appearance andfunctionality of the basicWindows 95 system

Windows 95 Intermediate - DOS Applications and Windows 95 - Slide No. 59

Installing Microsoft Plus

•Easy to install, menu driven installation

–In a corporate environment this would normally beperformed by the support department

•Click on the Add/Remove Programs icon

Windows 95 Intermediate - DOS Applications and Windows 95 - Slide No. 60

Customizing the Appearanceof Your Desktop

•Allows you to customize itemsincluding:

–Use large icons

–Show window contents whiledragging

–Smooth edges of screen fonts

–Show icons using all possible colors

–Stretch desktop wallpaper to fit thescreen

Windows 95 Intermediate - DOS Applications and Windows 95 - Slide No. 61

Customizing the Appearance of YourDesktop With Desktop Themes

•Used to enhancethe look and feel ofyour Windows 95system

Windows 95 Intermediate - DOS Applications and Windows 95 - Slide No. 62

Scheduling System Utilities UsingSystem Agent

•System Agent allows you to schedule programs to runautomatically, such as the ScanDisk and Defragprograms

–Assuming that you leave your PC switched on in the evenings!

–System Agent will sound an alarm when you are running low on diskspace

Windows 95 Intermediate - DOS Applications and Windows 95 - Slide No. 63

Disk Compression Using Microsoft Plus

•There is a basic differencebetween DriveSpace 3 and theCompression Agent

–The DriveSpace program compressesthe entire disk

–The Compression Agent tightlycompresses individual files

–WARNING: If you are working in acorporate environment DO NOT attemptto compress a disk yourself unlessauthorized by your support department.If the operation goes wrong you couldlose your entire hard disk!

Windows 95 Intermediate - DOS Applications and Windows 95 - Slide No. 64

Microsoft Plus and the Internet

•The Internet Explorer allows you to access theInternet and explore the World Wide Web (WWW)

•You can browse the net, mark your favoriteplaces on the net, or link to specific places on thenet

•Programs, documents and pictures can bedownloaded from the net and stored on your harddisk

Windows 95 Intermediate - DOS Applications and Windows 95 - Slide No. 65

Review Questions

Windows 95 Intermediate - DOS Applications and Windows 95 - Slide No. 66

Technical Overview

Windows 95 - Intermediate

Windows 95 Intermediate - DOS Applications and Windows 95 - Slide No. 67

Does Windows 95 Still Use DOS?

•Although DOS is includedwithin the operating systemit is included as anapplication rather than as asystem component

•Windows 95 is a full 32 bit,protected-mode operatingsystem in its own right

Now you seeit, now youdon’t

Windows 95 Intermediate - DOS Applications and Windows 95 - Slide No. 68

Installing Windows 95

•Easy to install using aninstallation Wizard

•Windows 95 first examinesyour hardware and softwareand then gets on with theinstallation

•Your corporate supportdepartment should install foryou but if you ever have to doit yourself - DON’T WORRY!

Yes .... I installed itmyself, noproblem!

Windows 95 Intermediate - DOS Applications and Windows 95 - Slide No. 69

What is Pre-emptive Multitasking?

•The operating system allocates processor usagebased on time intervals (time slicing)

•All applications seem to run simultaneously

•The system pre-empts when an application hasused enough processor time and moves on to thenext process

•By default the application or window that is in theforeground (the focus window) will receive overallprocessor and system priority

Windows 95 Intermediate - DOS Applications and Windows 95 - Slide No. 70

What is Multi-threading?

•A thread is a channel ofcommunication betweenprograms or processes

•Multi-threading refers to theavailability of multiplecommunication channels

Windows 95 Intermediate - DOS Applications and Windows 95 - Slide No. 71

What about CONFIG.SYS andAUTOEXEC.BAT?

•Windows 95 does not need the AUTOEXEC.BATor CONFIG.SYS files

–They are useful for older programs running under Windows 95

•Windows 95 uses the Registry

Windows 95 Intermediate - DOS Applications and Windows 95 - Slide No. 72

16 and 32 Bit OperatingSystem Components

•Windows 95 uses a mixture of 16 bit and 32 bit code

•32 bit code is faster and is used where necessary forperformance

•Windows 3.1 and 3.11 were entirely 16 bit, and thereforeslower!

Windows 3.1

Windows 95

Windows 95 Intermediate - DOS Applications and Windows 95 - Slide No. 73

What are Virtual Device Drivers?

•A virtual device driver (VxD) is a device driverwhich allows multiple applications to access adevice at the same time

Windows 95

Hardware i.e.a CD ROMDrive

DeviceDriver

Windows 95 Intermediate - DOS Applications and Windows 95 - Slide No. 74

Memory Protection

•Allows each application to run in its own,protected memory space

•Vital for successful multitasking!

–Used by both Windows 3.1 and Windows 95

Excel

Word

Windows 95 Intermediate - DOS Applications and Windows 95 - Slide No. 75

VCACHE - 32 Bit Cache

•Caches speed up access to and from the harddisk

•Windows 3.1 used SmartDrive

–Not very efficient

•Windows 95 uses VCACHE

–More sophisticated than the older SmartDrive utility andcapable of managing memory dynamically

–No configuration is necessary

Windows 95 Intermediate - DOS Applications and Windows 95 - Slide No. 76

System Resource Improvements

•Windows 3.1 suffered from chronic ‘SystemResource’ limitations

–A memory bottle-neck that could not be cured by adding morememory

•Windows 95 does not have such serverrestrictions

Windows 3.1

Windows 95

Windows 95 Intermediate - DOS Applications and Windows 95 - Slide No. 77

The Registry

•A database for all system and applicationinstalled components

•Removes the need for Windows 3.1 type ‘INI’ files

A single centralised database

Windows 95 Intermediate - DOS Applications and Windows 95 - Slide No. 78

Plug and Play

•Plug and Play devicesare automaticallyconfigured by thesystem

–No need to set switchesand read complicatedmanuals!

Easy!

Windows 95 Intermediate - DOS Applications and Windows 95 - Slide No. 79

Printing a Resource Summary Report

•Useful in identifying problems with your system

–May be requested by your support department to help themidentify problems

Windows 95 Intermediate - DOS Applications and Windows 95 - Slide No. 80

Creating an Emergency StartUp Diskand Starting in Safe Mode

•Allows you to boot from adiskette if you are unableto boot Windows 95 fromthe hard disk

•Only for use by advancedusers or support personnel

Windows 95 Intermediate - DOS Applications and Windows 95 - Slide No. 81

Protecting and Examining Files

•Files may be marked read-only or hidden

•File version informationmay be viewed

Windows 95 Intermediate - DOS Applications and Windows 95 - Slide No. 82

Review Questions