Linux.com reviews Knoppix 5.1.1 and focus on the inclusion of Beryl 3-D desktop with the Emerald theming engine
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Knoppix 5.1.1 also features a number of significant changes under the hood. The UnionFS file system has been replaced with aufs (Another UnionFS). According to the changelog, aufs is a more streamlined implementation of UnionFS that fixes many bugs still found in the original file system. The latest version of Knoppix comes with the NTFS-3G driver that offers full read/write operations on NTFS partitions. This makes Knoppix an even better tool for troubleshooting Windows-based machines.