devices重新创建设备文件，而——links将符号链接复制为符号链接，而不是复制符号链接所指向的内容。
Devices recreates device files, and — links copies symbolic links as symbolic links rather than copying what the symbolic link points to.
文件系统操作函数：用于创建常规文件、目录和符号链接；复制和重命名文件；提供删除功能。
File system-manipulation functions: Meant to create regular files, directories, and symbolic links; copy and rename files; and provide for deletion.
只需将所有IS o映像文件复制到安装存储库中(或者创建它们的符号链接)，如清单10所示。
Just copy all the ISO image files (or create symbolic links for them) into the installation repository, as shown in Listing 10 below.
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