Compression
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7zip:
extract p7*src_all (tar -xvjf ...) cp makefile.yoursystem makefile.machine nano makefile.machine / modify "-O" to "-march=... and all other gcc optimizing entries" make -jN all3 make all_test make install / ./install.sh cp -iv p7zip /usr/local/bin/ /* p7zip for tar, modify eventually to best compression flags */
benchmark:
7za b 7z b
best (needs huge ram):
7za a -mx=9 -ms=on -mfb=273 -t7z -md=128m -m0=lzma archive.7z /directory_or_file/
tar with 7z, to backup permissions/owner of files:
tar --use-compress-program=p7zip -cpvf backup.tar.7z /directory_or_file/
or
tar -cpvf backup.tar /directory_or_file/ 7za a -mx=9 -ms=on -mfb=273 -t7z -md=128m -m0=lzma backup.tar.7z backup.tar rm -v backup.tar
WobZIP:
wenn mal kein anderer Entpacker zur Verfügung steht http://wobzip.org