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Operating Systems Concepts 1/e Ruth Watson Chapter 4
Chapter 4
Windows Utilities
Ruth Watson
Operating Systems Concepts 1/e Ruth Watson Chapter 4 2
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 3
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 4
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: Antivirus Back up Firewall
Other tools are available for free or small fee, including: Compression Utility Viewers
Operating Systems Concepts 1/e Ruth Watson Chapter 4 5
Important Terms to Understand Algorithm Cluster Defragment Encryption File compression Firewall Fragmentation Freeware Hacker Port Scanning
Pretty good privacy (pgp) Shareware Sniffer Socket Software piracy Spyware SSL Trojan Virus
Operating Systems Concepts 1/e Ruth Watson Chapter 4 6
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 7
Tools - System Info System information
provides information about your computer system, such as: Hardware Software Internet Settings
Click Start, Accessories and System Tools to access the System Information tool
Operating Systems Concepts 1/e Ruth Watson Chapter 4 8
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 9
Tools - Disk Cleanup 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
Operating Systems Concepts 1/e Ruth Watson Chapter 4 10
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 11
Tools - Error Checking
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
Operating Systems Concepts 1/e Ruth Watson Chapter 4 12
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 13
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 14
Additional Tools - Boot Disks
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
Operating Systems Concepts 1/e Ruth Watson Chapter 4 15
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 16
Download Tools - File Compression
The File Compression tool decreases the size of files and/or compresses several files into one Winzip
You can use Winzip to create self-extracting files
Use file compression when sending: Large files Digital Photos Multiple Files
Operating Systems Concepts 1/e Ruth Watson Chapter 4 17
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 18
Desktop Security
Protect your computer against all threats, such as: Viruses Hacking Error Ignorance Accidents
Operating Systems Concepts 1/e Ruth Watson Chapter 4 19
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 20
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