[Q] Share media (files) between users in Android 4.2

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http://forum.xda-developers.com – Hello Everybody, I'm wondering anyone figured out already how to share media between users in Android 4.2.2 (Nexus 10)? I mean sharing a large number of photos and movies, something without online connection (no dropbox/drive). A solution without duplicating the files in each account is highly preferred. I know /sdcard/Android/obb folder is shared, I used it to transfer large files between the accounts. But it is not recognized by Media Scanner / Gallery. Links are not working for me (I tried both - symbolic and hard link, ln -s reports Function not implemented, ln alone Operation not pe (HowTos)