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... :')
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