Windows 2000 Junction Points
Gerald Villemure
GVillemure@ik.ca
Thu Dec 6 08:43:00 GMT 2001
There is a tool in the Win2K ResKit called "linkd.exe" which will alow you
to create "Junction Points" from the command line.
Hope this helps,
Gerald
----- Original Message -----
From: "Kim, Anthony" <Anthony.Kim@vw.com>
To: <cygwin@cygwin.com>
Sent: Thursday, December 06, 2001 4:52 PM
Subject: Windows 2000 Junction Points
> Windows 2000 (having NTFS 5.0) allows the creation of directory
> symbolic links. This can be used as mount points for hard drive
> volumes or to symlink directories across file systems. In the
> literature, the directory links are called "junction points".
>
> Disk Administration snap-in can be used to mount a drive to a
> directory or you can use linkd.exe (ResKit) or junction.exe
> (SysInternals).
>
> This is the closest thing I can find to simulate:
>
> ln -s /source /destination
>
> Now here's my question:
>
> When you perform a directory symlink in cygwin, you end up with a
> .LNK file even though you can cd into the link.
>
> $ pwd
> /mnt
> $ ln -s /cygdrive/c /mnt/test
> $ ls -l
> total 20
> dr-xr-xr-x 6 Administ Administ 0 Dec 6 09:47 ./
> dr-xr-xr-x 12 Administ Administ 4096 Nov 28 12:48 ../
> dr-xr-xr-x 12 Administ Administ 8192 Dec 6 09:47 c/
> dr-xr-xr-x 3 Administ Administ 4096 Dec 3 12:48 d/
> dr-xr-xr-x 5 Administ Administ 4096 Dec 3 12:48 e/
> drwxr-xr-x 1 vciadmin Administ 0 Dec 4 08:35 h/
> lrwxrwxrwx 1 vciadmin Administ 94 Dec 6 09:47 test ->
/cygdrive/c/
>
> $ cd test
> $ ls
> <directory listing>
>
> This works as expected. However, from outside cygwin:
>
> $ cmd
>
> G:\cygwin\mnt>dir
> dir
> Volume in drive G is DATA
> Volume Serial Number is 98D5-B7E1
>
> Directory of G:\cygwin\mnt
>
> 12/06/2001 09:47a <DIR> .
> 12/06/2001 09:47a <DIR> ..
> 11/28/2001 11:26a <JUNCTION> c
> 11/28/2001 11:26a <JUNCTION> d
> 11/28/2001 11:27a <JUNCTION> e
> 12/04/2001 08:34a <JUNCTION> h
> 12/06/2001 09:47a 94 test.lnk
>
> So the effect is lost.
>
> Because hard links work in cygwin as expected, is it far fetched
> for ln -s <directory> <linkname> to create actual junction points
> instead of .LNK files?
>
> If I'm way off base here, please feel free to let me know :)
>
> Cheers!
>
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