当 Linux 系统使用很长时间之后，可能会有一些已经没用的文件（即垃圾），这些文件不但会消耗宝贵的硬盘资源，还是降低系统的运行效率，因此需要及时地清理。
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1.3.16 Linux删除文件或目录（rm命令）
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- 2026-09-21
- Linux
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1.3.15 Linux复制文件和目录（cp命令）
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1.3.12 Linux创建文件及修改文件时间戳（touch命令）
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1.3.13 Linux建立软/硬链接文件(ln命令)
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- 2026-09-21
- Linux
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1.3.11 Linux删除空目录（rmdir命令）
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- 2026-09-21
- Linux
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