On 09/03/2011 08:36 AM, xinyou yan wrote: > I want to make sure one thing . > Can I use tar to pack the file created by dd. Yes. > I found use tar -rf xx.tar yyy.dd > can't make the file into the tar file . The -r switch is to "append" to an existing tar file. If the tar archive doesn't exist it should create the tar file anyway. What error are you getting? What's the size of yyy.dd? > Can zip do this work ? Yes, you can use "zip' as an archiver (not just as a compressor) but I remember there were some size limitations a while ago (verify that). HTH, Jorge -- 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