$ cp --help

$ man cp

Usage: cp [OPTION]... [-T] SOURCE DEST
  or:  cp [OPTION]... SOURCE... DIRECTORY
  or:  cp [OPTION]... -t DIRECTORY SOURCE...
Copy SOURCE to DEST, or multiple SOURCE(s) to DIRECTORY.

Mandatory arguments to long options are mandatory for short options too.
  -a, --archive                same as -dR --preserve=all
      --attributes-only        don't copy the file data, just the attributes
      --backup[=CONTROL]       make a backup of each existing destination file
...
  -d                           same as --no-dereference --preserve=links
...
  -P, --no-dereference         never follow symbolic links in SOURCE
  -p                           same as --preserve=mode,ownership,timestamps
      --preserve[=ATTR_LIST]   preserve the specified attributes (default:
                                 mode,ownership,timestamps), if possible
                                 additional attributes: context, links, xattr,
                                 all
      --no-preserve=ATTR_LIST  don't preserve the specified attributes
      --parents                use full source file name under DIRECTORY
  -R, -r, --recursive          copy directories recursively
      --reflink[=WHEN]         control clone/CoW copies. See below
      --remove-destination     remove each existing destination file before
                                 attempting to open it (contrast with --force)
      --sparse=WHEN            control creation of sparse files. See below
      --strip-trailing-slashes  remove any trailing slashes from each SOURCE
                                 argument
...

以下是引用zklhp在2012-9-14 21:09:42的发言：

蹭分

以下是引用跳跳鱼在2012-9-14 21:14:20的发言：

 
蹭了咱就给！哈哈！

以下是引用madfrogme在2012-9-14 21:58:54的发言：

想确认一下  -d  说通俗一点是不是就是如果复制的是一个符号链接，那就只复制符号链接？
就是lstat() 和stat() 一样的区别？？
lstat() 如果是一个符号链接，那就只显示这个文件是一个符号链接，而不会显示这个符号链接到底指向什么样的文件