ubuntuμ?±?·Yoí?1?-

dd

±?·Ymbr

 dd if=/dev/sda of=/backup/mbr.img bs=512 count=1

 ?1?-mbr

 dd if=/backup/mbr.img of=/dev/sda bs=446 count=1

?1?-·???±í,ì?1y?÷òyμ?????

 dd if=/backup/mbr.img of=/dev/sda bs=1 count=64 skip=446 seek=446

 GNU/TAR

±?·Y

 tar -cpzvf backup.tar.gz /media/usb/*

 ?1?-

 tar -xpzvf backup.tar.gz -C /media/usb/

cpio

dump/restore

xfsdump/xfsrestore

±?·Y

 sudo xfsdump - /boot > backup.file

 ?1?-

 sudo cat backup.file | xfsrestore - /boot