New answers tagged file-system
Hint: there's no sudo on Android, just su. And for using ADB as root the daemon on the Android device must run in "insecure mode" (i.e. as root, e.g. using Chainfire's "insecure adbd" app). If you don't want to go that way, there are easier alternatives which you can e.g. find in my list on Synchronizing Files and Folders. I'd recommend taking a look at ...
You could use Bittorrent Sync to copy the music folder on your computer to your phone. The whole thing will complete on your local network (as long as you don't leave it!). I recommend Bittorrent Sync assuming your local network's speed isn't an issue.
You can easily establish if the reason is a read-only mount or incorrect permissions. When in root shell, try busybox touch /storage/emulated/legacy/blah.txt. If it says "read-only filesystem", then it's a r/o mount; if it says "access denied" then it's a permission problem.
it turns out that i simply should use the cp command from within my root android shell.. and copy it to /mnt/sdcard.. the rest is obvious after that
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