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[问与答] [求助] 关于 ubuntu 用 dd 进行备份和还原的问题

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源系统盘 2T 大小，UBUNTU 系统，实际使用不到 200G ，用 dd 命令进行的整盘备份，备份出来的.gz 文件只有不到 80G ，我可以直接用 dd 还原到一个 1T 大小的硬盘里吗？
不行的话需要怎么操作？

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