dd 命令主要用来进行数据备份，并且可以在备份的过程中进行格式转换。其实 dd 命令可以把源数据复制成目标数据，而且不管源数据是文件、分区、磁盘还是光盘，都可以进行数据备份。
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1.13.8 Linux dd命令详解：数据备份，并在备份过程中进行格式转换
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- 2026-09-21
- Linux
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1.13.7 Linux restore命令：还原dump操作备份下的文件、目录或分区
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1.13.5 Linux tar命令备份数据
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1.13.6 Linux dump命令用法详解：备份分区、文件或目录
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1.13.4 Linux备份策略（完全备份、增量备份和差异备份）详解
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