Freeware: Clusters

	Zilla Free DataNuker  License: Freeware
	Zilla Data Nuker literally destroys files, free space and your Recycle Bin contents instead of only deleting them. That means your data contents once overwritten and destroyed It can't be recovered. The user therefore should be sure of the files, folders .etc. he/she wants to shred.There are many safeguards built into the Zilla Data Nuker program to warn the user.Windows allocates clusters for new files (and extending existing files) from one end of the disk and moving towards the other end. Accordingly, the user for example if deleting files near the end of the disk, it might be very long before those clusters get used again.Therefore, shredding a disk's free space ensures that any deleted data stored in unallocated clusters will be completely shredded, and all the bits and pieces of left over data from deleted files will be destroyed.Generally speaking Windows stores files using two steps:A directory entry and A series of one or more clusters on a disk.When the user deletes a file using windows the file's data doesn't actually get deleted from disk. Windows simply marks the file's clusters as available for reuse, then marks that file's directory entry as deleted (from the directories available) by replacing the first character of the file's name with a special character. Now if those clusters don't get reused for another file, they are vulnerable and can be retrieved by those who know where and how to look for it.Adding one byte to the directory that was deleted will allow the retrieve of the entire file that has been deleted. This is used in most of the "Unerase" utilities functions. Zilla Data Nuker makes it virtually impossible to retrieve data from a file because it literally overwrites the file's data clusters before deleting the file. A "quick" shred overwrites the file once, filling its data clusters with zeroes. A "Thorough" shred overwrites the file maximum 10 times, using varying bit patterns each time Author: ZillaSoft.ws| Date: 15-04-2007 | Size: 124 KB
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	Ariolic Disk Scanner  License: Freeware
	Disk Scanner is a freeware tiny utility to check the hard drive for read errors. Disk read errors may be the first typical sign of the possible disk failure. Ariolic Disk Scanner makes a raw sector read check of the hard drive and shows the result as a picture of your disk, where the good and bad clusters marked, so you can see the status of your disk at a glance. Key Features:   * Read-only hard drive volumes test for read errors   * Ariolic Disk Scanner does not require a setup - it's portable. Run it directly from CD or a Flash drive   * See the check result at a glance   * Works with hard drives, flash disks, CD, floppy   * Nice and simple user interface   * and many more... Author: Ariolic Software, Ltd.| Date: 22-02-2008 | Size: 417 KB
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	SearchAlyzer  License: Freeware
	SearchAlyzer simultaneously queries the common search engines and compiles results into an interactive book with chapters, an index, and pages. Chapters are clusters of related pages. The pages are the search results. The index is automatically built from the pages. Pages and index words are processed so that by marking one or more of them, the relevance of all other pages and words is immediately updated. Unlike other search tools, marking an index word of interest automatically sorts all pages according to their relevance to that index word. The pages of interest can be found without having to scan through the entire list of pages. Marking an interesting page also sorts all pages according to their relevance to the marked page. Whenever an index word or page is marked, the relevance of all other index words and pages is automatically updated, saving you time when finding relevant pages. SearchAlyzer also removes duplicate results (but still lets you see them), lets you choose which engines to search on and how long to wait for their results, lets you control the length of phrases in the index, lets you control which words should be ignored in the index (the stop words), and more. Finally, SearchAlyzer can evaluate the power of each engine it uses by measuring each engine's coverage, relevance, and independence. Author: Puffinware LLC| Date: 18-10-2005 | Size: 1969 KB
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	Disk Investigator  License: Freeware
	Disk Investigator helps you to discover all that is hidden on your computer hard disk. It can also help you to recover lost data. Display the true drive contents by bypassing the operating system and directly reading the raw drive sectors. View and search raw directories, files, clusters, and system sectors. Undelete previously deleted files. Verify the effectiveness of file and disk wiping programs. Author: Kevin Solway| Date: 06-05-2006 | Size: 350 KB
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	StarStrider screen saver  License: Freeware
	Turn the StarStrider 3D planetarium into a screen saver! The StarStrider screen saver allows you to use FMJ-Software's StarStrider planetarium software as the pinnacle of 'space travel screen savers'. View the planets and moons of our solar system! View hundreds of thousands of stars! View spectacular galaxies, clusters & nebulae! All in photo-realistic 3D - there's really nothing else quite like it! Requires FMJ-Software's StarStrider v2.x (Shareware available from Simtel.Net as stars25.zip) + DirectX 8 or later. Author: FMJ-Software| Date: 26-11-2002 | Size: 222 KB
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	Numap7  License: Freeware
	Freeware for fast training, validation, and application of regression/approximation networks including the multilayer perceptron (MLP), functional link network, piecewise linear network, self organizing map (SOM) and K-Means clustering. C source code for applying trained networks is provided, so users can use networks in their own applications. User-supplied txt-format training data files, containing rows of numbers, can be of any size. Example training data is also provided. Fast VB Graphics for network training error and cluster formation are included. Extensive help files are provided in the software. Numap7 is highly automated and requires very few parameter choices by the user. Advanced features include a fast MLP training algorithm (faster and better than BP and LM), input feature selection, pruning (elimination) of useless units (for MLP) and modules for PLN). Training and validation error are plotted versus network size. Utilities are provided for counting patterns, deleting columns, combining files, splitting files, calculating column mean and standard deviation, and plotting column histograms. Training data can be compressed using the discrete Karhunen-Loeve' transform (KLT). This freeware version of Numap7 limits the MLP to 10 hidden units and limits the PLN to 10 clusters. Upgradable to the commercial version, which lacks these limitations. The classification (decision making) version of this software, called Nuclass7, is also available. Numap7.0 was developed by the Image Processing and Neural Networks Lab of Univ. of Texas at Arlington, and by Neural Decision Lab LLC. Author: Neural Decision Lab LLC| Date: 14-10-2004 | Size: 14177 KB
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