With symbolic links, it is possible for a single file to have multiple names.
采用符号链接，使一个文件拥有多个不同的名字成为可能。
2
This is consistent with the user's experience, since the permissions of the target file, not the symbolic link itself, are what govern their interactions with that file.
这和用户的体验是一致的，因为控制与该文件交互的是目标文件的权限，而不是符号链接本身。
3
In case of hard or symbolic links to a file, this API checks whether the original file is empty.