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@ -30,13 +30,6 @@ Linux下,常用的备份工具有以下几种:
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> 这个小节的内容,了解即可。
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`dd`是一个比较简单的命令,它的功能也很简单,就是读入然后写出。
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进行备份所需要了解的参数只有下面几个:
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- `if=`:输入的文件名。
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- `of=`:输出的文件名。
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备份整块`sda`硬盘到`sdb`只需要以下命令。
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```sh
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