(1) Storing data in non-contiguous areas on disk. As files are updated, new data are stored in available free space, which may not be contiguous. Fragmented files cause extra head movement, slowing disk accesses. A defragger program is used to rewrite and reorder all the files.
(2) In an IP network, breaking a data packet into smaller pieces in order to accommodate the maximum transmission unit of the network. See IP fragmentation.
(2) In an IP network, breaking a data packet into smaller pieces in order to accommodate the maximum transmission unit of the network. See IP fragmentation.
 | Reproduced with permission from Computer Desktop Encyclopedia. Copyright (c) 1981-2009 The Computer Language Company Inc. All rights reserved. |
Additional Resources
- Smart Defrag 1.30 (Windows)
- Disk fragmentation is generally main cause of slow and unstable computer performance. Smart Defrag helps defragment your hard drive most efficiently. Smart Defrag not only defragments computer deeply but optimizes disk performance. With 'install it and forget it' feature, Smart Defrag works automatically and quietly in the background on your...
- Software downloads 2009-11-25
- Diskeeper 2010 (Windows)
- Diskeeper 2009 introduces system performance innovations so advanced they redefine what a defragmenter can do. Diskeeper defrag engines are so powerful, they can handle volumes with as little as 1% free space. Diskeeper 2009 is the only defragmenter with InvisiTasking technology, enabling defragmentation in real-time, with zero overhead. No fragmentation...
- Software downloads 2009-11-24
- Amazon slashes price of Palm Pre to $79.99, Pixi to $24.99
- I don't want ......ANY misleading bargain with a two or three year contract. Sell me the HW at a fair price and let me select the carrier and package of my choice.I am not an idiot. RE: Amazon slashes price of Palm Pre to $79.99, Pixi to $24.99When you limit...
- Discussion threads 2009-11-19
- Apple's app approval revolt: Will it matter? Maybe
- Once somebody matches the ease of the App store,Create a desktop application which makes it brain-dead simple to buy, install, arrange, and sync software and multimedia content with the Droid and it will take off like crazy. That's about the only thing the iPhone has over the Droid at this...
- Discussion threads 2009-11-17
- Five ways Android could get into trouble
- the only danger lies with patents owned by Apple, M$ or other trolls.Without them, the sky is the limit!Good points! Apples success, and closed software, and AT&T exclusivity are what are giving Android a big push. Verizon ONLY accepted Android on their network to combat iPhone / AT&T for example....
- Discussion threads 2009-11-17
- Magic Memory Optimizer 8.1.1.343 (Windows)
- Whether you want to optimize your system performance or cleanse fragmentation collected in your system with as little effort as possible, Magic Memory Optimizer is the tool of choice. No other program is as feature-rich, yet as easy to use as Magic Memory Optimizer. Magic Memory Optimizer is designed to...
- Software downloads 2009-11-12
- Auslogics Disk Defrag Screen Saver 1.0 (Windows)
- Auslogics Disk Defrag Screen Saver is a handy tool, which allows users to run defragmentation of their disks in screen saver mode. Like other screen savers in Windows, it starts automatically when a system has been idle for a few moments. While running, Auslogics Disk Defrag Screen Saver generates a...
- Software downloads 2009-11-05
- Five definitions toward the maturing of Enterprise 2.0
- point of saturationMikoExcellent post. I agree with just about everything that you wrote, particularly the following: [i]There comes a tipping point in any large commercial sector Enterprise where the market for the flagship product or service becomes saturated. At this juncture, the revenue growth challenge becomes less about attracting and...
- Discussion threads 2009-11-03
- Cobra File Defrag 1.9 (Windows)
- File Defrag is a useful utility that performs file based defragmentation. Most defragmentation tools work on an entire disk or individual drives. File Defrag is different as it allows you, using an Explorer style screen, to see defragmentation of every file and folder on each of your disks. Each fragmented...
- Software downloads 2009-10-07
- WinASO RegDefrag 2.0 (Windows)
- WinASO RegDefrag performs physical de-fragmentation of the Windows registry file. After de-fragmentation your registry will acquire linear structure, which will reduce application response time and registry access time.
- Software downloads 2009-09-15
- HDD Observer 3.4.2 (Windows)
- Can detect a lot of hard drives troubles and give a solution for them: Monitor hard drives health, performance, temperature, activity and show them in a system tray icon; Check file system fragmentation and registry fragmentation; Defragment and cleran file system and registry; Low memory usage.Version 3.4.2 improves SMART detection....
- Software downloads 2009-09-06
- The Essentials Series: Why You Need to Defragment
- Authored by Microsoft MVP Greg Shields, this tech report is a call to arms for Windows administrators, reminding them why defragmenting is so important. Everyone wants better system performance and efficiency. Everyone wants a lower cost of ownership. This report details exactly how an administrator can get it fast....
- White papers 2009-09-01
- Quicksys Disk Defrag 1.16 beta (Windows)
- Quicksys Disk Defrag is a free disk defragmenter and optimizer for Windows. It is high technology freeware software that aims to rearrange the fragments of files on disk, to be continuously and in order, so that the performance and search speed of the disc increases. Besides defragmenting the disk, Quicksys...
- Software downloads 2009-08-26
- Why and How You Should Find and Fix Index Fragmentation
- In a high-volume database you need frequent critical maintenance. If you skip this important task, index fragmentation may cause wasted space, inefficient I/O and poor performance. In this new Quest Software white paper, learn exactly what index fragmentation is, how it occurs, how to find it and...
- White papers 2009-08-24
- Best Practices in Index Maintenance - Fighting the Silent Performance Killers
- Index fragmentation is a serious issue. It causes significant SQL Server performance issues, leading to loss of money and time. The problem is native tools alone aren't the solution to fragmentation. In this new Quest white paper, learn about index fragmentation and why native and custom-coded approaches aren't...
- White papers 2009-08-24
- White Space Networking With Wi-Fi Like Connectivity
- Networking over UHF white spaces is fundamentally different from conventional Wi-Fi along three axes: spatial variation, temporal variation, and fragmentation of the UHF spectrum. Each of these differences gives rise to new challenges for implementing a wireless network in this band. The paper presents the design and implementation of WhiteFi,...
- White papers 2009-08-21
- Magic Memory Optimizer 8.1.1.315 (Windows)
- Whether you want to optimize your system performance or cleanse fragmentation collected in your system with as little effort as possible, Magic Memory Optimizer is the tool of choice. No other program is as feature-rich, yet as easy to use as Magic Memory Optimizer. Magic Memory Optimizer is designed to...
- Software downloads 2009-08-12
- Apple: GarageBand leaks user data to advertisers
- Apple: GarageBand leaks user data to advertisersupdate very largeThe update is 139 mb. There must be much more to the update than just not changing Safari preferences.RE: Apple: GarageBand leaks user data to advertisersMaybe you should use less sensational headlines...or at least remotely accurate ones.There is much more than...
- Discussion threads 2009-08-04
- Setting the record straight: SAN defrag is vital to storage performance.
- Data volumes continue to grow. More companies are consolidating and virtualizing their IT infrastructures and far more demand is placed on storage performance. But one aspect that often gets overlooked is the role SAN disk defragmenting plays in improving performance. In particular, companies overlook the performance degradation due to file...
- White papers 2009-08-03
- Setting the record straight: SAN defrag is vital to storage performance
- Data volumes continue to grow. More companies are consolidating and virtualizing their IT infrastructures and far more demand is placed on storage performance. But one aspect that often gets overlooked is the role SAN disk defragmenting plays in improving performance. In particular, companies overlook the performance degradation due to file...
- White papers 2009-08-03
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