that lzma is quite impressive!!
Is not my purpose to hijack this topic, but I was wondering if anyone is kind enough to give me some comments about linux magazines. I been looking into that for some time, but not enough to subscribe one, as I wish to do. I know about Linux Journal and Linux Magazine. Both seem good to me. What do you subscribe and why is that your preference?
Cheers,
Fernando
On 8/13/05, Jerry McBride <[EMAIL PROTECTED]> 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... 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....
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