Perfect Disk
PerfectDisk is the name of separate but related defragmentation utilities for Windows and HP OpenVMS published by Raxco Software. It has won several awards from computer magazines, and is certified by Microsoft for all its current NTFS-based operating systems. The current version is PerfectDisk 12.5.
PerfectDisk has editions designed for most user categories, from home PCs to large servers and virtualization-aware editions for virtual environments. In addition to defragmenting files, it also optimizes disk drives with an optimization strategy called SMARTPlacement and it prevents fragmentation with the OptiWrite feature. PerfectDisk defragments data and system files and places a high priority on free space consolidation. SSD Optimize is an optimization method for solid state drives that focuses on free space consolidation without defragmentation of files.
The OpenVMS version of PerfectDisk, still in production, predated the Windows version by several years and contributed much of the approach adopted by the Windows versions. It was developed by William Davy and operates on the Files-11 file system used by OpenVMS. It features a single-pass, four-phase algorithm, intelligent placement (moving infrequently-accessed data to the periphery of the disk to reduce average seek distance,) locating directory files near indexf.sys (the Files-11 counterpart to the FAT or MFT) and clustering of "volatile" files, which attempts to make a file deletion more likely to occur adjacent to existing free space. It was the first defragmenter capable of defragmenting an open file that was actively being written, by combining the defragmenter with specialized functionality of Raxco's Data Caching product, PerfectCache, forming a product called UltraDisk.
In the mid-1990s, Raxco assigned several developers to create a Windows version of the defragmenter. Since the original product was written in VAX Macro (assembly language), starting from the existing source code was not a viable solution. Instead, the defragmentation strategy, which was largely applicable to Windows file systems despite coming from a different operating system, was refined and applied to a new code base.
Raxco released PD Free, PerfectDisk Free Defrag, in late March 2012 as an exclusive download at CNET Download.com. PD Free is a fully functional free defrag utility using PerfectDisk's patented features including SMARTPlacement, SSD Optimize, Boot Time Defrag and Quick Defrag as well as scheduling options. As of April 2, 2012, PD Free is available as a free software download on most major download websites.

This is an excerpt from the article Perfect Disk from the Wikipedia free encyclopedia. A list of authors is available at Wikipedia.
The article Perfect Disk at en.wikipedia.org was accessed 18 times in the last 30 days. (as of: 11/24/2013)
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Raxco Software
Jan 27, 2013 ... Optimization, and performance software for Windows and OpenVMS networks. Products include Perfectdisk 2000 disk defragmentation, ...
www.raxco.com/
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PerfectDisk - Wikipedia, the free encyclopedia
PerfectDisk is the name of separate but related defragmentation utilities for Windows and HP OpenVMS published by Raxco Software. It has won several awards ...
en.wikipedia.org/wiki/PerfectDisk
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PerfectDisk Professional Free Download…
PerfectDisk Professional is a system utility tool that you can use to provide users with disk optimization and space management capabilities. It’s also equipped ...
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PerfectDisk Professional - CNET Download.com
Results 1 - 10 of 17 ... Maintaining proper disk hygiene is like going to the dentist: You do it because you have to, but it's rarely easy and almost never pleasant.
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PerfectDisk (PerfectDisk) on Twitter
The latest from PerfectDisk (@PerfectDisk). This account has closed. Please follow @RaxcoSoftware for PerfectDisk updates.
twitter.com/PerfectDisk
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Download PerfectDisk Free Defrag - MajorGeeks
PerfectDisk is the world's leading disk defragmentation and optimization utility, used by large enterprises, small businesses, and home consumers to maximize ...
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Download PerfectDisk - MajorGeeks
Get the defrag solution used by the world's largest enterprises for your home computer. PerfectDisk 10 Home Edition's fast and powerful defrag speeds up ...
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PerfectDisk Professional | Raxco Software
Centralized Management and Control. Enterprise management of the PerfectDisk disk defragmentation software is provided by the free PerfectDisk Enterprise Console.
www.raxco.com/products/perfectdisk-professional
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Softonic - PerfectDisk - Download
PerfectDisk, free download. PerfectDisk 12.5.0.309: The gold standard in disk defragmentation.
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Raxco Software Blog
Sorry Tablet: The PC is Not Going Anywhere Anytime Soon. December 19, 2013 By Lauren Lembo Leave a Comment. In 2014, tablets will comprise 50% of the total PC market ...
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Search results for "Perfect Disk"
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Perfect Disk in science
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Aug 5, 2009 ... University of Wisconsin Department of Orthopedics and Rehabilitation Selects PerfectDisk for Defrag Needs. Aug 05, 2009 (PRWeb.com via ...
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PerfectDisk Blog from Raxco.com| Defrag Software: News
Apr 10, 2009 ... Twitter -- a few months ago we set up an account for PerfectDisk on .... Russ Howard is a systems programmer at the University of Pittsburgh.
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Jan 26, 2009 ... Russ Howard is a systems programmer at the University of Pittsburgh. ... drive the new version of PerfectDisk - and he finds it's also a winner.
January 16, 2009 - PerfectDisk Blog from Raxco.com| Defrag Software:
Jan 30, 2009 ... Well, no...there will not be a commercial for PerfectDisk 10 this .... Russ Howard is a systems programmer at the University of Pittsburgh.
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Aug 30, 2011 ... Mississippi State University Libraries adds to the long list of higher education institutions benefit from PerfectDisk Quote end. Raxco Software ...
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Jun 8, 2011 ... PerfectDisk 12 includes several enhancements and new features to help ... Clinical Assistant Professor of Medicine at the University of Arizona ...
Books on the term Perfect Disk
PC Mag
PC Mag
Raxco's new PerfectDisk 2000 Version 5.0 ($49 for workstation PCS, $249 for servers, direct) offers fast and effective drive defragging capabilities. The product is designed to minimize the time and effort required to keep your drives running at ...
The Perfect Recipe
The Perfect Recipe
2001
Have you ever felt a little besieged by recipes? Ever opened up the newspaper to the food page and found yet more recipes that may or may not taste like anything you might want to have in your mouth? Ever longed for simplicity, for that one recipe you know is going to work time and time again? And not a recipe for some weird combination of foods th...
PC Mag
PC Mag
A representation of the big new advance in disk defragmentation. Courtesy of Morgan. *CARl5, _ ,_ PerfectDisk 2000 (Way to go, Mo) Call us neat freaks, but we think a mess that isn't totally cleaned up is still, well, No other product a mess.
Miniature Horse Conformation: What to Look For & What to Avoid; with Photo Disk
Miniature Horse Conformation: What to Look For & What to Avoid; with Photo Disk
Kay Baxter, 2008
Nothing is more important than good conformation when considering the purchase of a Miniature Horse. For newcomers to the breed, knowing what to look for and what to avoid is the key to a positive experience. This handbook covers all aspects of conformation, including dwarfism, and contains many photographs and descriptions. BONUS color slide show ...
Maximum PC
Maximum PC
Your Computer Can't Wait For PerfectDisk 1-800-546-9728 www.perfectdisk8. com pn ceo SOFTWARE Microsoft, Windows, and Windows Server are either registered trademarks or trademarks of Microsoft Corporation in the United States  ...
Running a Perfect Bbs/Book and Disk
Running a Perfect Bbs/Book and Disk
Mark L. Chambers, 1994
Finally there is a comprehensive guide to setting up and optimizing online Bulletin Board Systems. Readers learn the best ways to establish, expand, improve, and fine-tune their own BBS, with tips and guidelines from expert BBS operators. Includes advanced information for getting the most from a BBS. Disk includes WildCat Test Drive shareware BBS, ...
Maximum PC
Maximum PC
Your Computer Can't Wait For PerfectDisk 8 1-800-546-9728 www.perfectdisk8. com SOFTWARE Microsoft, Windows, and Windows Server are either registered trademarks or trademarks of MicroMitt Corporation in the I'mied Mates and'or ...
Maximum PC
Maximum PC
Your Computer Can't Wait For PerfectDisk 8 1-800-546-9728 www.perfectdisk8. com SOFTWARE Microsoft, Windows, and Windows Server are either registered trademark- or trademarks of Microsoft Corporation in the l.'nited Stales and or otl  ...
Principles & Applications of GSM with 3.5 Disk (Prentice Hall Communications Engineering and Emerging Technologies...
Principles & Applications of GSM with 3.5 Disk (Prentice Hall Communications Engineering and Emerging Technologies...
Vijay Kumar Garg, 1998
Preface During the last several decades, the world has seen phenomenal changes in the telecommunications industry. Communications that were formerly provided by wires are now provided by radio (wireless) means. Thus, wireless communication, which uncouples the telephone from its wires to the local telephone exchange, has exploded. During the early ...
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Blog posts on the term
Perfect Disk
PerfectDisk 12.5 Compatibility w/ Windows 8.1 & Windows Server 2012 R2 | Raxco Software Blog
blog.raxco.com/2013/10/18/perfectdisk-12-5-compatibility-w-windows-8-1-windows-server-2012-r2/
Download PerfectDisk - MajorGeeks
Get the defrag solution used by the world's largest enterprises for your home computer. PerfectDisk 10 Home Edition's fast and powerful defrag speeds up everything you do, from web browsing ...
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Is PerfectDisk compatible with Windows 8.1
A hotfix for PerfectDisk 12.5 that will allow it to run on Windows 8.1 is now available. This hotfix will only apply if the following conditions are met: •Windows version is an RTM release of 8.1 or Server 2012R2 (6.3 Build 9600). Preview builds of Windows 8.1/Server 2012 are NOT supported. •PerfectDisk 12.5 Build 312 is currently installed. This hotfix will NOT install PerfectDisk 12.5 Your computer will be restarted after installation of this hotfix. Hotfix can be downloaded
forums.mydigitallife.info/threads/50378-Is-PerfectDisk-compatible-with-Windows-8-1
PerfectDisk 13 Pro License(s) - 3 PC Licenses - 1 Year PerfectDisk Pro Maintenance - 20.00! - Optimized for Windows 8 and 8.1 - (I kid you not!)
PerfectDisk 13 Pro License(s) - 3 PC Licenses - 1 Year PerfectDisk Pro Maintenance - 20.00! - Optimized for Windows 8 and 8.1 - (I kid you not!)
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Email to get free license key of PerfectDisk 11 | MalwareTips.com
PerfectDisk Professional is designed to offer high quality defragmentation for your volumes with as little strain as possible on the system. It features...
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PerfectDisk Professional 13 crack and serial key free download | WikiSerial
By: Arpita Sen on 8:56 PM PerfectDisk Professional 13. 0 Build 770 Free Download Full Version with serial Key, crack , Patch, Keygen, license code or key .
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PerfectDisk - Intelligent Disk Optimization
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Raxco PerfectDisk Professional 12.5 Build 312 FinaL – FULL Incl. Keygen | Watch Online Movies!!
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