gsettings list-schemas

gsettings list-recursively

gsettings list-schemas | grep -i shotwell

org.yorba.shotwell
org.yorba.shotwell.preferences.ui
org.yorba.shotwell.preferences.slideshow
org.yorba.shotwell.plugins.enable-state
org.yorba.shotwell.printing
org.yorba.shotwell.preferences.editing
org.yorba.shotwell.preferences.files

gsettings list-keys org.yorba.shotwell.preferences.ui

background-color
display-basic-properties
display-extended-properties
display-photo-ratings
display-photo-tags
display-photo-titles
event-photos-sort-ascending
event-photos-sort-by

gsettings get org.yorba.shotwell.preferences.ui display-photo-tags

gsettings set org.yorba.shotwell.preferences.ui display-photo-tags false

sudo apt-get install dconf-tools