* 硬链接：（**指向目标文件的存储地址**）
* 与普通文件没什么不同，inode 都指向同一个文件在硬盘中的区块
* 硬链接不管有多少个，都指向的是同一个 inode 节点，这意味着当你修改源文件或者链接文件的时候，都会做同步的修改
* 每新建一个 hardlink 会把节点连接数增加，只要节点的链接数非零，文件就一直存在，不管你删除的是源文件还是 hradlink。
* 只要有一个链接存在，文件就存在。
* 软链接：（**指向目标文件的引用**）
* 保存了其代表的文件的绝对路径，是另外一种文件，在硬盘上有独立的区块，访问时替换自身路径
参考：
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