On Sat, 2005-08-13 at 00:58 -0400, Jerry McBride wrote: > Anyone else here subscribe to the LINUX JOURNAL? > > In the September issue there's a neat article titled tha same as the subject > line of this message. > > The skinny is, there's some really nice file compressors out there and I > never > heard of two of them... Anyone else know about LZMA or 7ZA? > > The two mentioned compression tools work pretty much like gzip. You tar up > your files, pipe to the compression filter and then on to the target file. > Below is a small example of what I've been seeing here at the shack. > > -rw-r--r-- 1 root root 12359680 Aug 12 23:57 backup.tar > -rw-r--r-- 1 root root 3536665 Aug 13 00:01 backup.tar.7z > -rw-r--r-- 1 root root 4438465 Aug 13 00:08 backup.tar.bz2 > -rw-r--r-- 1 root root 4747637 Aug 13 00:03 backup.tar.gz > -rw-r--r-- 1 root root 2731412 Aug 13 00:10 backup.tar.lzma > -rw-r--r-- 1 root root 5125474 Aug 13 00:16 backup.tar.lzop > > What you're seeing are the results of compressing /lib on my gentoo powered > laptop. I've not bothered with timing the processes as the better compression > rates are at the cost of speed and memory usage. Not good for "while you > wait" processing, but just plain perfect for backups and what-have-you on > servers... One side note, 7za does not record user/group info...
Are you saying it removes user/group info from the tar file? > It's a shame > too as this make it pretty much useless in most linux backup scenarios. This > lzma creature is simply awesome. > > You can find it at: http://martinus.geekisp.com/rublog.cgi/Projects/LZMA > > Cheers all.... > > -- > > ****************************************************************************** > Registered Linux User Number 185956 > FSF Associate Member number 2340 since 05/20/2004 > Join me in chat at #linux-users on irc.freenode.net > Buy an Xbox for $149.00, run linux on it and Microsoft loses $150.00! > 12:28am up 26 days, 27 min, 1 user, load average: 0.00, 0.00, 0.00 -- Nick Rout <[EMAIL PROTECTED]> -- [email protected] mailing list
