In the field of lossless compression, most kinds of traditional software have some shortages when they face the massdata. Their compressing abilities are limited by the data window size and the compressing format des...
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In the field of lossless compression, most kinds of traditional software have some shortages when they face the massdata. Their compressing abilities are limited by the data window size and the compressing format design. This paper presents a new design of compressing format named 'CZ format' which supports the data window size up to 4 GB and has some advantages in the massdata compression. Using this format, a compressing shareware named 'ComZip' is designed. The experiment results support that ComZip has better compression ratio than WinZip, Bzip2 and are compressed. And ComZip has the potential to beat 7-zip in WinRAR in most cases, especially when GBs or TBs of massdata future as the data window size exceeds 128 MB.
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