File Shortcut and Symbolic Link in Windows

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File shortcut [檔案捷徑/shell link] :  副檔名 .lnk / .LNK
通稱 shortcut / link file

根據wikipedia:
"a small file containing a target URI or GUID to an object, or
the name of a target program file ..."

//===  Symbolic link
> mklink   linkname  targetFileName            [file symbolic link]
> mklink  /D  linkname  targetDirName        [directory symbolic link ]


> mklink /?
MKLINK [[/D] | [/H] | [/J]] Link Target

        /D      Creates a directory symbolic link.
        /H      Creates a hard link instead of a symbolic link.
        /J       Creates a Directory Junction.
        Link    specifies the new symbolic link name.
        Target  specifies the path (relative or absolute) that the new link
                refers to.

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IShellLink
IPersistFile
IPersistSystem


[ref]
http://en.wikipedia.org/wiki/File_shortcut

shell link spec:
http://msdn.microsoft.com/en-us/library/dd871305(v=prot.13).aspx
http://download.microsoft.com/download/a/e/6/ae6e4142-aa58-45c6-8dcf-a657e5900cd3/[MS-SHLLINK].pdf