Chapter 4 Windows Utilities Ruth Watson Operating Systems

Chapter 4 Windows Utilities Ruth Watson Operating Systems Concepts 1/e Ruth Watson Chapter 4

Objectives (1 of 2) n n n n 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) n n n n Explain how to download and install software Demonstrate how to compress files and folders using Win. Zip 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 n 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 n More powerful tools are available for purchase, such as: q q q n Other tools are available for free or small fee, including: q q q Operating Systems Concepts 1/e Antivirus Back up Firewall Compression Utility Viewers Ruth Watson Chapter 4 4

Important Terms to Understand n n n n n Algorithm Cluster Defragment Encryption File compression Firewall Fragmentation Freeware Hacker Port Scanning n n n n n 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 n Know your computer n Organize files n Delete temporary files n Defrag your hard disk n Keep track of system components n Maintain data Operating Systems Concepts 1/e Ruth Watson Chapter 4 6

Tools - System Info n System information provides information about your computer system, such as: q q q n 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 n n Computer Management also provides information about your computer, such as: q Shared folders q Local Users and Groups q 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 n Disk Cleanup deletes all temporary files that are no longer needed n Click Start, Programs, Accessories, and System Tools to access the Disk Cleanup tool n Best used to get rid of large temporary Internet files Ruth Watson Chapter 4 9

Tools - Defrag n n n 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 n The Error Checking tool (previous called scan Disk) is used to recover bits of files from a damaged disk portion n Click Start, Programs, Accessories, and System Tools to access the Error Checking tool Ruth Watson Chapter 4 11

Tools - Backups n n n 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 n n Safe Mode is like a life preserver for your computer Sometimes your computer locks up or something bad happens during an installation Tap the F 8 key while booting to enter Safe Mode While in Safe Mode fix the computer, such as: q q 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 n A Boot Disk can be used to start your computer if something bad happens to your OS n Windows 2000 requires four floppies to create a boot disk n Use the CD MAKEBOOT utility from the installation CD Ruth Watson Chapter 4 14

Download Tools - Installing Software n Sometimes there will be a need to install software from various locations, such as: q From the Internet q From a disk or CD q From the Microsoft Update site Operating Systems Concepts 1/e Ruth Watson Chapter 4 15

Download Tools - File Compression n The File Compression tool decreases the size of files and/or compresses several files into one q n n You can use Winzip to create self-extracting files Use file compression when sending: q q q Operating Systems Concepts 1/e Winzip Large files Digital Photos Multiple Files Ruth Watson Chapter 4 16

Download Tools - Preventing Viruses n Computer viruses do n n n 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 n Operating Systems Concepts 1/e Protect your computer against all threats, such as: q Viruses q Hacking q Error q Ignorance q Accidents Ruth Watson Chapter 4 18

Summary n n Take care of your computer as you would take care of your BMW Use tools that come with your computer, such as: q q q n Disk Defrag Error Checking Safe Mode Install other tools, such as: q q File Compression Antivirus Operating Systems Concepts 1/e Ruth Watson Chapter 4 19

Questions? Operating Systems Concepts 1/e Ruth Watson Chapter 4 20