By default, UnZip does not support shrink decompression. To enable it or to obtain more information, check out the UnZip FAQ at . Install UnZip by running the following commands: patch -Np1 -i ../unzip-5.50-fix-libz.patch && patch -Np1 -i ../unzip-5.50-dont-make-noise.patch && cp unix/Makefile . && make prefix=/usr linux && make prefix=/usr linux_shlibz && make prefix=/usr install && cp -a libunzip.so* /usr/lib