Update Frequently Asked Questions

tutorials/Frequently-Asked-Questions.md

@@ -6,6 +6,7 @@
 - [It misses a feature!](#basics-2)
 - [Jami just crashed / have a bug. What can I do?](#basics-3)
 - [There's a orange / red exclamation side by my avatar. What does it mean?](#basics-4)
+- [Where are the configuration files located](#basics-5)
 
 ## Account management
 
@@ -83,6 +84,19 @@ If you can't wait to have this feature, you can try another client.
 
 It's because your account is not connected to the DHT. Verify your internet connection or try to relaunch the application. If you use the push notifications, try to disable this option (and re-enable it).
 
+### <a name="basics-5">Where are the configuration files located</a>
+
+Jami saves its configuration (account, certificates, history) at
+different locations depending the platform.
+
+-   **GNU/Linux**: global configuration is under
+    **\~/.config/jami/dring.yml** and Accounts files are under
+    **\~/.local/share/jami/**. Finally some cache can be stored in **~/.cache/jami**
+-   **OSX**: The full configuration is under **\~/Library/Application
+    Support/Jami** if installed via https://jami.net. Via the appstore it's **\~/Library/Containers/com.savoirfairelinux.com.ring**
+-   **Android**: The full configuration is under **/data/data/cx.ring**
+    (may require root privileges)
+
 ## Account management
 
 ### <a name="account-1">What is a Jami account?</a>