2009年7月12日星期日

squashfs使用的压缩算法

The official releases of Squashfs supports GZIP compression because this is the only compression supported by the Linux kernel. If you want LZMA support then please visit www.squashfs-lzma.org. These are high quality patches provided by Tomas Matejicek (SLAX) and Junjiro Okajima. At the time of writing, the patches are against Squashfs 3.3, they should be updated to the latest release in the near future.

sqlzma is a patch against lzma and squashfs that makes squashfs support both LZMA compression and ZLIB compression. A squashfs image file that uses LZMA compression has no backward compatibility, but the patched squashfs and its tools can handle the old squashfs image generated by the unpatched squashfs-tools.

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