Transcript here

Chapter 4
Windows Utilities
Ruth Watson
Operating Systems Concepts 1/e
Ruth Watson
Chapter 4
Objectives (1 of 2)







Explain the importance of maintaining your
computer
List several maintenance tools that come with
Windows and explain what each does
Demonstrate the Disk Cleanup Tool
Demonstrate the defrag tool
Demonstrate how to backup and restore data
Demonstrate how to boot a computer into
safe mode
Explain how to create a boot disk
Operating Systems Concepts 1/e
Ruth Watson
Chapter 4
2
Objectives (2 of 2)







Explain how to download and install software
Demonstrate how to compress files and folders
using WinZip
Demonstrate how to compress files and folders
using Windows
Explain what viruses are and how to prevent them
Explain what a hoax is
Explain the function of a firewall
List at least three security measures you can take to
protect your computer
Operating Systems Concepts 1/e
Ruth Watson
Chapter 4
3
Introduction



Computers need to be
maintained
Being smart about
what you download or
install will help you
maintain your
computer
Windows has many
tools to help maintain
your computer

More powerful tools are
available for purchase,
such as:




Other tools are
available for free or
small fee, including:



Operating Systems Concepts 1/e
Antivirus
Back up
Firewall
Compression
Utility
Viewers
Ruth Watson
Chapter 4
4
Important Terms to Understand










Algorithm
Cluster
Defragment
Encryption
File compression
Firewall
Fragmentation
Freeware
Hacker
Port Scanning









Operating Systems Concepts 1/e
Pretty good privacy (pgp)
Shareware
Sniffer
Socket
Software piracy
Spyware
SSL
Trojan
Virus
Ruth Watson
Chapter 4
5
Maintaining Your Computer

Know your computer

Organize files

Delete temporary files

Defrag your hard disk

Keep track of system
components

Maintain data
Operating Systems Concepts 1/e
Ruth Watson
Chapter 4
6
Tools - System Info

System information
provides information
about your computer
system, such as:




Operating Systems Concepts 1/e
Hardware
Software
Internet Settings
Click Start, Accessories
and System Tools to
access the System
Information tool
Ruth Watson
Chapter 4
7
Tools - Computer Management


Computer Management also
provides information about
your computer, such as:

Shared folders

Local Users and Groups

Device Management
For Windows 2000
Professional click Start,
Settings, Control Panel and
then Administrative Tools to
access the Computer
Management tool
Operating Systems Concepts 1/e
Ruth Watson
Chapter 4
8
Tools - Disk Cleanup
Operating Systems Concepts 1/e

Disk Cleanup deletes all
temporary files that are
no longer needed

Click Start, Programs,
Accessories, and System
Tools to access the Disk
Cleanup tool

Best used to get rid of
large temporary Internet
files
Ruth Watson
Chapter 4
9
Tools - Defrag



The Defrag tool is used
to put non-contiguous
clusters back together
Helps your computer to
not have to work as
hard to retrieve files
Click Start, Program,
Accessories, and
System Tools to
access the Disk
Defragmenter tool
Operating Systems Concepts 1/e
Ruth Watson
Chapter 4
10
Tools - Error Checking
Operating Systems Concepts 1/e

The Error Checking tool
(previous called scan
Disk) is used to recover
bits of files from a
damaged disk portion

Click Start, Programs,
Accessories, and
System Tools to access
the Error Checking tool
Ruth Watson
Chapter 4
11
Tools - Backups



Windows 2000
Professional and
Windows XP have a
Back up Wizard tool
Right click on any
drive in My Computer
and then choose
Properties
Select Backup Now
option to begin
Operating Systems Concepts 1/e
Ruth Watson
Chapter 4
12
Additional Tools - Safe Mode




Safe Mode is like a life preserver for your
computer
Sometimes your computer locks up or something
bad happens during an installation
Tap the F8 key while booting to enter Safe Mode
While in Safe Mode fix the computer, such as:


Uninstall software that locked the computer
Use the System Restore command from the
Accessories/System Tools menu
Operating Systems Concepts 1/e
Ruth Watson
Chapter 4
13
Additional Tools - Boot Disks
Operating Systems Concepts 1/e

A Boot Disk can be used
to start your computer if
something bad happens
to your OS

Windows 2000 requires
four floppies to create a
boot disk

Use the CD MAKEBOOT
utility from the installation
CD
Ruth Watson
Chapter 4
14
Download Tools - Installing Software

Sometimes there will be
a need to install
software from various
locations, such as:

From the Internet

From a disk or CD

From the Microsoft
Update site
Operating Systems Concepts 1/e
Ruth Watson
Chapter 4
15
Download Tools - File Compression

The File Compression
tool decreases the size of
files and/or compresses
several files into one



You can use Winzip to
create self-extracting files
Use file compression
when sending:



Operating Systems Concepts 1/e
Winzip
Large files
Digital Photos
Multiple Files
Ruth Watson
Chapter 4
16
Download Tools - Preventing Viruses




Computer viruses do
very bad things to your
computer
Computer viruses are
spread through email,
software, sharing disk
Install Antivirus
software to protect your
computer
Update the Antivirus
software often
Operating Systems Concepts 1/e
Ruth Watson
Chapter 4
17
Desktop Security

Operating Systems Concepts 1/e
Protect your computer
against all threats, such as:

Viruses

Hacking

Error

Ignorance

Accidents
Ruth Watson
Chapter 4
18
Summary


Take care of your computer as you would
take care of your BMW
Use tools that come with your computer,
such as:




Disk Defrag
Error Checking
Safe Mode
Install other tools, such as:


File Compression
Antivirus
Operating Systems Concepts 1/e
Ruth Watson
Chapter 4
19
Questions?
Operating Systems Concepts 1/e
Ruth Watson
Chapter 4
20