On 09/03/2011 03:41 PM, Chris Tyler wrote:
On Sat, 2011-09-03 at 20:36 +0800, xinyou yan wrote:I want to make sure one thing . Can I use tar to pack the file created by dd. I found use tar -rf xx.tar yyy.dd can't make the file into the tar file .It depends on what is in the dd file and what you're trying to do. I assume that the dd file is a direct copy of a filesystem (for example, "dd if=/dev/sda2 of=yyy.dd" assuming that /dev/sda2 is a filesystem partition). If you simply want to reduce the size of the dd file, use gzip: gzip yyy.dd # produces yyy.dd.gz
Better: sudo dd if=/dev/sda2|gzip - > yyy.dd.gz (does not need any file yyy.dd!)
-Chris
-- Joachim Backes <joachim.backes@xxxxxxxxxxxxxx> http://www.rhrk.uni-kl.de/~backes
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