Unfortunately you can't have the entire home directory on an NTFS partition, because NTFS file systems do not keep Linux ownership/permissions data. You could instead keep /home on his main Ubuntu partition, but instead move the "Documents", "Music", "Videos", etc folders to the NTFS partition, and then simply use a symbolic link to link those directories back to your friend's /home/username directory. You could do something like:
Code:
ln -s /path_to_documents_partition/Videos ~/.
And that will link the "Videos" folder on the NTFS partition back to the /home/username directory. How about giving that a shot and let me know how it goes.
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