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 If you want to create a tar archive of the individual files within the dd image, you will have to mount the dd file first using the loopback option: mkdir /tmp/yyy mount -o loop yyy.dd /tmp/yyy cd /tmp tar cvf xx.tar yyy -Chris -- users mailing list users@xxxxxxxxxxxxxxxxxxxxxxx To unsubscribe or change subscription options: https://admin.fedoraproject.org/mailman/listinfo/users Guidelines: http://fedoraproject.org/wiki/Mailing_list_guidelines