How do I dump all the manully altered dconf / gsettings keys?

The dconf Editor indicate the keys whose values have been altered by the user by changing the key's font to bold as shown in the snapshot.

So I wonder if there is a way to dump all the keys (including their schema) which have been modified manually by user or changed to something other than the default? ..that would prove very helpful to solve many desktop environment issues, or at least for me :)

Solution 1:

dconf provides such an option (Ref: man dconf)

• To dump only user-altered (non-default) keys:

    dconf dump / > dump.dconf
  

• To restore:

    dconf load / < dump.dconf