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Is it even possible to do so? I mean, can I create a link on Linux and than make this link valid also on Windows?

Use-case

I have the folder /media/Data/DownloadedMusic on a NTFS partition. I also have the folder /media/Data/Music on the same partition. How can I create a link to DownloadedMusic inside Music so that the link can be accessible both from a Linux system and a Windows system?

There isn't a single command/method that I've seen that will give you this easily, but rather you'll have to create this linkage yourself using a variety of components.

For starters, on Linux you can have the system automount the NTFS partition via the /etc/fstab file anytime that it boots.

/dev/sda2 /mnt/somedir ntfs-3g permissions,locale=en_US.utf8 1 2

Then within the NTFS partition, while it's booted to Windows, you could create a junction point or symbolic link inside the directory C:DataMusic to C:DataDownloadedMusic.

I have not tried this before but it looks like you can also do this from the Linux side using the setattr command to create a junction point.

# Display the reparse data of the file source-file
$ getfattr -h -e hex -n system.ntfs_reparse_data source-file

# Copy the reparse data of the file source-file
# to the file target-file
$ REPARSE=`getfattr -h -e hex -n system.ntfs_reparse_data source-file | 
 grep '=' | sed -e 's/^.*=//'`
$ setfattr -h -v $REPARSE -n system.ntfs_reparse_data target-file 

References

• Junction Points and Symbolic Links


• Create NTFS symbolic links from within Linux

Windows can't read the Linux filesystem. However Linux can read the Windows filesystem. So if you have your /media/Data/Music on a Windows file system you can have access to that space (the same files) on both Windows and Linux. However, if it's on a Linux filesystem you can only have access to it from Linux.

Making a Windows Filesystem (NTFS) would be the absolute answer. However, you loose functionality with the windows FS over the linux FS.

You could solve this by making a Linux fileserver and placing your music data on the server. Then you can have a the same link from Linux (via samba) and Windows (via it's native networking).

A linux fileserver doesn't require a lot of PC power. You can take an old PC that is ready for the dump, put the minimum linux configuration and a hard drive in it and have a very convenient drive access.