Jon Dowland wrote: > Ralf Mardorf wrote: > > Jerome BENOIT wrote: > > > xz: tar Jcf > > > > I'm using a distro that packages with xz. > > > > I'm sure that there never was a big difference between > > "gz: tar zcf" and "bzip2: tar jcf" for the length of the files, but the > > time for packing and unpacking does differ very much. > > Indeed, bz2 is very slow. But it can be much better at compressing: > > linux-3.6-rc2.tar.bz2 16-Aug-2012 22:01 78M > linux-3.6-rc2.tar.gz 16-Aug-2012 22:01 99M > linux-3.6-rc2.tar.xz 16-Aug-2012 22:01 65M I think lzip is worthy enough that it should have a mention too. It has gotten less attention than xz and that is sad since it is a nice free software tool. I recompressed that file using lzip for this comparison. $ ls -lhog linux-3.6-rc2.tar.gz -rw-rw-r-- 1 100M Aug 22 15:31 linux-3.6-rc2.tar.gz $ ls -lhog linux-3.6-rc2.tar.lz -rw-rw-r-- 1 66M Aug 22 15:54 linux-3.6-rc2.tar.lz Bob
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