On Saturday 13 August 2005 01:32 am, Nick Rout wrote: > 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? >
Not "removed", it's never put there... :') -- ****************************************************************************** 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! 9:42am up 26 days, 9:41, 1 user, load average: 0.00, 0.00, 0.00 -- gentoo-user@gentoo.org mailing list