While possible to combine this with other forms of data compression and deduplication, it is distinct from newer approaches to data deduplication (which can operate at the segment or sub-block level).ĭeduplication is different from data compression algorithms, such as LZ77 and LZ78. Ī related technique is single-instance (data) storage, which replaces multiple copies of content at the whole-file level with a single shared copy. Given that the same byte pattern may occur dozens, hundreds, or even thousands of times (the match frequency is dependent on the chunk size), the amount of data that must be stored or transferred can be greatly reduced. Whenever a match occurs, the redundant chunk is replaced with a small reference that points to the stored chunk. These chunks are identified and stored during a process of analysis, and compared to other chunks within existing data. The deduplication process requires comparison of data 'chunks' (also known as 'byte patterns') which are unique, contiguous blocks of data. It can also be applied to network data transfers to reduce the number of bytes that must be sent. Successful implementation of the technique can improve storage utilization, which may in turn lower capital expenditure by reducing the overall amount of storage media required to meet storage capacity needs. In computing, data deduplication is a technique for eliminating duplicate copies of repeating data. Multi-language file system support.Data processing technique to eliminate duplicate copies of repeating data Powerful filter and exclude from auto-check options. Automatically locate duplicate files in Windows Explorer. Protection for system files and folders that will prevent damages to your system files when removing duplicates. Process priority settings that will let the application scan in your computers IDLE time. Has intuitive interface and rich documentation. Support for all kinds of removable media - usb drives, diskettes. Duplicate files can be moved to Recycle Bin, custom folder or deleted permanently. Older or smaller files can be automatically marked for deletion. Internal preview supporting images, videos, music, text and binary files. The duplicate remover has the following features: Find duplicate files or find similar files in user specified folders, hard drives, computers or entire networks. The duplicate remover is a powerful utility for finding duplicate files in a folder and all its sub folders. There is an option to protect system files and folders which is recommended to be turned on. You can also set which folders you want to exclude from the auto mark. The auto mark algorithm has advanced settings to exclude from auto mark files with user specified extensions, file sizes, file dates and file names. After the scan process is finished the program shows you all duplicate files in groups and can automatically mark the older files for deletion. You can also preview the files in binary mode. It uses fast binary comparison algorithm and has internal preview supporting a lot of image, video, music and text file formats. The application will compare the content of your files so it will find duplicates even if they are using different file names. Fast Duplicate File Finder will find all duplicate files in a folder and its sub folders.
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