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# 4.2 硬盘或分区克隆及恢复
推荐使用Clonezilla再生龙http://www.clonezilla.org/
dd命令底层低效仅供备用
备份:`sudo dd if=/dev/sda1 of=~/elf.bak status=progress`
还原:`sudo dd if=~/elf.bak of=/dev/sda1 status=progress`
压缩备份:`sudo dd if=/dev/sda1 status=progress | gzip -c > ~/elf.bak`
压缩还原:`gunzip -c ~/elf.bak | sudo dd of=/dev/sda1 status=progress`