With Linux apps installed on your Chromebook, you might have discovered that software cannot access files within the ChromeOS directories. Let’s fix that. If you own a Chromebook, and you’ve enabled and installed Linux apps, you might have come across a situation where you find you can’t open files from your Chromebook directories with those newly installed apps.
Link: How to share files with Linux apps on Chrome OS
via http://www.techrepublic.com