1. At the end of this topic, students
should be able to:
a)
b)
Identify types of utility programs
Explain the functions of utility
programs
1
Chapter Two
Computer System
2.6.1 System Software
2.6.1.2 Utility Program
2. Utility Programs
• A utility program is a type of system software that
allows a user to perform maintenance-type tasks
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Figure 8-27
2Discovering Computers : Chapter 8
3. Utility Programs
Types of Utility Program
1.
2.
3.
4.
5.
6.
7.
File Manager
Disk Cleanup
Compression Tools
Anti-Virus Program
Spyware Remover
Disk Defragmenter
Backup and Restore
3Discovering Computers : Chapter 8
4. , moving, and sorting files and folders
1. File Manager
• To provide routine file
management tasks :
-
-
-
-
Displaying a list of files
Organizing files in folders
Copying, renaming, deleting
Creating shortcuts
• Example:
Windows
Windows
Explorer,
File Manager,
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Figure 8-28
4Discovering Computers : Chapter 8
5. 2. Disk Cleanup
• A disk cleanup utility searches
unnecessary files:
for and removes
-
-
-
-
Downloaded program files
Temporary Internet files
Deleted files
Unused program files
• Example:
Microsoft
CCleaner
Disk Cleanup,
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Figure 8-31
5Discovering Computers : Chapter 8
6. 3. Compression Tools
• To reduce the size of a file or storage
– Compressing files frees up room on the storage media
- Compressed files sometimes are called
– Can be uncompressed
zipped files
• Examples: WinZip, WinRAR, PKZIP
Page 427 6Discovering Computers : Chapter 8
7. 4. Anti-virus Program
• Anti-virus program protects a computer against viruses by
identifying and removing any computer viruses found
memory or storage
A virus describes a potentially damaging computer
program that affects a computer negatively
in
•
• Example : Avira Antivirus,
Norton Antivirus
Kaspersky Antivirus,
7Discovering Computers : Chapter 8
8. 5. Spyware Remover
Spyware is a program placed on a computer
without the user’s knowledge that secretly
collects information about the user
• A spyware remover detects and deletes spyware
and other similar programs
• Example : Spyware Doctor, Spyware Remover,
Spybot, Spyware Blaster
Page 426 8Discovering Computers : Chapter 8
9. 6. Disk Defragmenter
• A disk defragmenter reorganizes the files and
unused space on a computer’s hard disk so that the
operating system accesses
programs run faster
data more quickly and
• Example : MyDefrag,
Contig, Defraggler
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Figure 8-32
9Discovering Computers : Chapter 8
10. 7. Backup and Restore Utility
• A backup utility allows
users to copy files to
another storage medium
in case of damage or loss
A restore utility reverses
the process and returns
backed up files to their
original form
Example :
BackupPC,
•
•
Windows Backup
Restore
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Figure 8-33
10Discovering Computers : Chapter 8
11. Utility Program Proprietary Open Source
1. File manager
2. Disk Cleanup
3. Compression Tool
4. Anti-virus program
5. Spyware remover
6. Disk Defragmenter
7. Backup and Restore
